五年级下册口算题（300——500道） 五年级下册数学口算题和口算题的答案300道
\u4e94\u5e74\u7ea7\u53e3\u7b97\u9898300\u905317\u00d740\uff1d 100\uff0d63\uff1d 3.2\uff0b1.68\uff1d 2.8\u00d70.4\uff1d
14\uff0d7.4\uff1d 1.92\u00f70.04\uff1d 0.32\u00d7500\uff1d 0.65\uff0b4.35\uff1d
10\uff0d5.4\uff1d 4\u00f720\uff1d 3.5\u00d7200\uff1d 1.5\uff0d0.06\uff1d
0.75\u00f715\uff1d 0.4\u00d70.8\uff1d 4\u00d70.25\uff1d 0.36\uff0b1.54\uff1d
1.01\u00d799\uff1d 420\u00f735\uff1d 25\u00d712\uff1d 135\u00f70.5\uff1d
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51\u00f717\uff1d 32.8\uff0b19\uff1d 5.2\u00f71.3\uff1d 1.6\u00d70.4\uff1d
4.9\u00d70.7\uff1d 1\u00f75\uff1d 6\u00f712\uff1d 0.87\uff0d0.49\uff1d
17\u00d740\uff1d 100\uff0d63\uff1d 3.2\uff0b1.68\uff1d 2.8\u00d70.4\uff1d
14\uff0d7.4\uff1d 1.92\u00f70.04\uff1d 0.32\u00d7500\uff1d 0.65\uff0b4.35\uff1d
10\uff0d5.4\uff1d 4\u00f720\uff1d 3.5\u00d7200\uff1d 1.5\uff0d0.06\uff1d
0.75\u00f715\uff1d 0.4\u00d70.8\uff1d 4\u00d70.25\uff1d 0.36\uff0b1.54\uff1d
1.01\u00d799\uff1d 420\u00f735\uff1d 25\u00d712\uff1d 135\u00f70.5\uff1d
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51\u00f717\uff1d 32.8\uff0b19\uff1d 5.2\u00f71.3\uff1d 1.6\u00d70.4\uff1d
4.9\u00d70.7\uff1d 1\u00f75\uff1d 6\u00f712\uff1d 0.87\uff0d0.49\uff1d
17\u00d740\uff1d 100\uff0d63\uff1d 3.2\uff0b1.68\uff1d 2.8\u00d70.4\uff1d
14\uff0d7.4\uff1d 1.92\u00f70.04\uff1d 0.32\u00d7500\uff1d 0.65\uff0b4.35\uff1d
10\uff0d5.4\uff1d 4\u00f720\uff1d 3.5\u00d7200\uff1d 1.5\uff0d0.06\uff1d
0.75\u00f715\uff1d 0.4\u00d70.8\uff1d 4\u00d70.25\uff1d 0.36\uff0b1.54\uff1d
1.01\u00d799\uff1d 420\u00f735\uff1d 25\u00d712\uff1d 135\u00f70.5\uff1d
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51\u00f717\uff1d 32.8\uff0b19\uff1d 5.2\u00f71.3\uff1d 1.6\u00d70.4\uff1d
4.9\u00d70.7\uff1d 1\u00f75\uff1d 6\u00f712\uff1d 0.87\uff0d0.49\uff1d
17\u00d740\uff1d 100\uff0d63\uff1d 3.2\uff0b1.68\uff1d 2.8\u00d70.4\uff1d
14\uff0d7.4\uff1d 1.92\u00f70.04\uff1d 0.32\u00d7500\uff1d 0.65\uff0b4.35\uff1d
10\uff0d5.4\uff1d 4\u00f720\uff1d 3.5\u00d7200\uff1d 1.5\uff0d0.06\uff1d
0.75\u00f715\uff1d 0.4\u00d70.8\uff1d 4\u00d70.25\uff1d 0.36\uff0b1.54\uff1d
1.01\u00d799\uff1d 420\u00f735\uff1d 25\u00d712\uff1d 135\u00f70.5\uff1d
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51\u00f717\uff1d 32.8\uff0b19\uff1d 5.2\u00f71.3\uff1d 1.6\u00d70.4\uff1d
4.9\u00d70.7\uff1d 1\u00f75\uff1d 6\u00f712\uff1d 0.87\uff0d0.49\uff1d
17\u00d740\uff1d 100\uff0d63\uff1d 3.2\uff0b1.68\uff1d 2.8\u00d70.4\uff1d
14\uff0d7.4\uff1d 1.92\u00f70.04\uff1d 0.32\u00d7500\uff1d 0.65\uff0b4.35\uff1d
10\uff0d5.4\uff1d 4\u00f720\uff1d 3.5\u00d7200\uff1d 1.5\uff0d0.06\uff1d
0.75\u00f715\uff1d 0.4\u00d70.8\uff1d 4\u00d70.25\uff1d 0.36\uff0b1.54\uff1d
1.01\u00d799\uff1d 420\u00f735\uff1d 25\u00d712\uff1d 135\u00f70.5\uff1d
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51\u00f717\uff1d 32.8\uff0b19\uff1d 5.2\u00f71.3\uff1d 1.6\u00d70.4\uff1d
4.9\u00d70.7\uff1d 1\u00f75\uff1d 6\u00f712\uff1d 0.87\uff0d0.49\uff1d
17\u00d740\uff1d 100\uff0d63\uff1d 3.2\uff0b1.68\uff1d 2.8\u00d70.4\uff1d
14\uff0d7.4\uff1d 1.92\u00f70.04\uff1d 0.32\u00d7500\uff1d 0.65\uff0b4.35\uff1d
10\uff0d5.4\uff1d 4\u00f720\uff1d 3.5\u00d7200\uff1d 1.5\uff0d0.06\uff1d
0.75\u00f715\uff1d 0.4\u00d70.8\uff1d 4\u00d70.25\uff1d 0.36\uff0b1.54\uff1d
1.01\u00d799\uff1d 420\u00f735\uff1d 25\u00d712\uff1d 135\u00f70.5\uff1d
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51\u00f717\uff1d 32.8\uff0b19\uff1d 5.2\u00f71.3\uff1d 1.6\u00d70.4\uff1d
4.9\u00d70.7\uff1d 1\u00f75\uff1d 6\u00f712\uff1d 0.87\uff0d0.49\uff1d
17\u00d740\uff1d 100\uff0d63\uff1d 3.2\uff0b1.68\uff1d 2.8\u00d70.4\uff1d
14\uff0d7.4\uff1d 1.92\u00f70.04\uff1d 0.32\u00d7500\uff1d 0.65\uff0b4.35\uff1d
10\uff0d5.4\uff1d 4\u00f720\uff1d 3.5\u00d7200\uff1d 1.5\uff0d0.06\uff1d
0.75\u00f715\uff1d 0.4\u00d70.8\uff1d 4\u00d70.25\uff1d 0.36\uff0b1.54\uff1d
1.01\u00d799\uff1d 420\u00f735\uff1d 25\u00d712\uff1d 135\u00f70.5\uff1d
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51\u00f717\uff1d 32.8\uff0b19\uff1d 5.2\u00f71.3\uff1d 1.6\u00d70.4\uff1d
4.9\u00d70.7\uff1d 1\u00f75\uff1d 6\u00f712\uff1d 0.87\uff0d0.49\uff1d
17\u00d740\uff1d 100\uff0d63\uff1d 3.2\uff0b1.68\uff1d 2.8\u00d70.4\uff1d
14\uff0d7.4\uff1d 1.92\u00f70.04\uff1d 0.32\u00d7500\uff1d 0.65\uff0b4.35\uff1d
10\uff0d5.4\uff1d 4\u00f720\uff1d 3.5\u00d7200\uff1d 1.5\uff0d0.06\uff1d
0.75\u00f715\uff1d 0.4\u00d70.8\uff1d 4\u00d70.25\uff1d 0.36\uff0b1.54\uff1d
1.01\u00d799\uff1d 420\u00f735\uff1d 25\u00d712\uff1d 135\u00f70.5\uff1d
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51\u00f717\uff1d 32.8\uff0b19\uff1d 5.2\u00f71.3\uff1d 1.6\u00d70.4\uff1d
4.9\u00d70.7\uff1d 1\u00f75\uff1d 6\u00f712\uff1d 0.87\uff0d0.49\uff1d
17\u00d740\uff1d 100\uff0d63\uff1d 3.2\uff0b1.68\uff1d 2.8\u00d70.4\uff1d
14\uff0d7.4\uff1d 1.92\u00f70.04\uff1d 0.32\u00d7500\uff1d 0.65\uff0b4.35\uff1d
10\uff0d5.4\uff1d 4\u00f720\uff1d 3.5\u00d7200\uff1d 1.5\uff0d0.06\uff1d
0.75\u00f715\uff1d 0.4\u00d70.8\uff1d 4\u00d70.25\uff1d 0.36\uff0b1.54\uff1d
1.01\u00d799\uff1d 420\u00f735\uff1d 25\u00d712\uff1d 135\u00f70.5\uff1d
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51\u00f717\uff1d 32.8\uff0b19\uff1d 5.2\u00f71.3\uff1d 1.6\u00d70.4\uff1d
4.9\u00d70.7\uff1d 1\u00f75\uff1d 6\u00f712\uff1d 0.87\uff0d0.49\uff1d
17\u00d740\uff1d 100\uff0d63\uff1d 3.2\uff0b1.68\uff1d 2.8\u00d70.4\uff1d
14\uff0d7.4\uff1d 1.92\u00f70.04\uff1d 0.32\u00d7500\uff1d 0.65\uff0b4.35\uff1d
10\uff0d5.4\uff1d 4\u00f720\uff1d 3.5\u00d7200\uff1d 1.5\uff0d0.06\uff1d
0.75\u00f715\uff1d 0.4\u00d70.8\uff1d 4\u00d70.25\uff1d 0.36\uff0b1.54\uff1d
1.01\u00d799\uff1d 420\u00f735\uff1d 25\u00d712\uff1d 135\u00f70.5\uff1d
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51\u00f717\uff1d 32.8\uff0b19\uff1d 5.2\u00f71.3\uff1d 1.6\u00d70.4\uff1d
4.9\u00d70.7\uff1d 1\u00f75\uff1d 6\u00f712\uff1d 0.87\uff0d0.49\uff1d
17\u00d740\uff1d 100\uff0d63\uff1d 3.2\uff0b1.68\uff1d 2.8\u00d70.4\uff1d
14\uff0d7.4\uff1d 1.92\u00f70.04\uff1d 0.32\u00d7500\uff1d 0.65\uff0b4.35\uff1d
10\uff0d5.4\uff1d 4\u00f720\uff1d 3.5\u00d7200\uff1d 1.5\uff0d0.06\uff1d
0.75\u00f715\uff1d 0.4\u00d70.8\uff1d 4\u00d70.25\uff1d 0.36\uff0b1.54\uff1d
1.01\u00d799\uff1d 420\u00f735\uff1d 25\u00d712\uff1d 135\u00f70.5\uff1d
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51\u00f717\uff1d 32.8\uff0b19\uff1d 5.2\u00f71.3\uff1d 1.6\u00d70.4\uff1d
4.9\u00d70.7\uff1d 1\u00f75\uff1d 6\u00f712\uff1d 0.87\uff0d0.49\uff1d
17\u00d740\uff1d 100\uff0d63\uff1d 3.2\uff0b1.68\uff1d 2.8\u00d70.4\uff1d
14\uff0d7.4\uff1d 1.92\u00f70.04\uff1d 0.32\u00d7500\uff1d 0.65\uff0b4.35\uff1d
10\uff0d5.4\uff1d 4\u00f720\uff1d 3.5\u00d7200\uff1d 1.5\uff0d0.06\uff1d
0.75\u00f715\uff1d 0.4\u00d70.8\uff1d 4\u00d70.25\uff1d 0.36\uff0b1.54\uff1d
1.01\u00d799\uff1d 420\u00f735\uff1d 25\u00d712\uff1d 135\u00f70.5\uff1d
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51\u00f717\uff1d 32.8\uff0b19\uff1d 5.2\u00f71.3\uff1d 1.6\u00d70.4\uff1d
4.9\u00d70.7\uff1d 1\u00f75\uff1d 6\u00f712\uff1d 0.87\uff0d0.49\uff1d
17\u00d740\uff1d 100\uff0d63\uff1d 3.2\uff0b1.68\uff1d 2.8\u00d70.4\uff1d
14\uff0d7.4\uff1d 1.92\u00f70.04\uff1d 0.32\u00d7500\uff1d 0.65\uff0b4.35\uff1d
10\uff0d5.4\uff1d 4\u00f720\uff1d 3.5\u00d7200\uff1d 1.5\uff0d0.06\uff1d
0.75\u00f715\uff1d 0.4\u00d70.8\uff1d 4\u00d70.25\uff1d 0.36\uff0b1.54\uff1d
1.01\u00d799\uff1d 420\u00f735\uff1d 25\u00d712\uff1d 135\u00f70.5\uff1d
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51\u00f717\uff1d 32.8\uff0b19\uff1d 5.2\u00f71.3\uff1d 1.6\u00d70.4\uff1d
4.9\u00d70.7\uff1d 1\u00f75\uff1d 6\u00f712\uff1d 0.87\uff0d0.49\uff1d
17\u00d740\uff1d 100\uff0d63\uff1d 3.2\uff0b1.68\uff1d 2.8\u00d70.4\uff1d
14\uff0d7.4\uff1d 1.92\u00f70.04\uff1d 0.32\u00d7500\uff1d 0.65\uff0b4.35\uff1d
10\uff0d5.4\uff1d 4\u00f720\uff1d 3.5\u00d7200\uff1d 1.5\uff0d0.06\uff1d
0.75\u00f715\uff1d 0.4\u00d70.8\uff1d 4\u00d70.25\uff1d 0.36\uff0b1.54\uff1d
1.01\u00d799\uff1d 420\u00f735\uff1d 25\u00d712\uff1d 135\u00f70.5\uff1d
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51\u00f717\uff1d 32.8\uff0b19\uff1d 5.2\u00f71.3\uff1d 1.6\u00d70.4\uff1d
4.9\u00d70.7\uff1d 1\u00f75\uff1d 6\u00f712\uff1d 0.87\uff0d0.49\uff1d
17\u00d740\uff1d 100\uff0d63\uff1d 3.2\uff0b1.68\uff1d 2.8\u00d70.4\uff1d
14\uff0d7.4\uff1d 1.92\u00f70.04\uff1d 0.32\u00d7500\uff1d 0.65\uff0b4.35\uff1d
10\uff0d5.4\uff1d 4\u00f720\uff1d 3.5\u00d7200\uff1d 1.5\uff0d0.06\uff1d
0.75\u00f715\uff1d 0.4\u00d70.8\uff1d 4\u00d70.25\uff1d 0.36\uff0b1.54\uff1d
1.01\u00d799\uff1d 420\u00f735\uff1d 25\u00d712\uff1d 135\u00f70.5\uff1d
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51\u00f717\uff1d 32.8\uff0b19\uff1d 5.2\u00f71.3\uff1d 1.6\u00d70.4\uff1d
4.9\u00d70.7\uff1d 1\u00f75\uff1d 6\u00f712\uff1d 0.87\uff0d0.49\uff1d
17\u00d740\uff1d 100\uff0d63\uff1d 3.2\uff0b1.68\uff1d 2.8\u00d70.4\uff1d
14\uff0d7.4\uff1d 1.92\u00f70.04\uff1d 0.32\u00d7500\uff1d 0.65\uff0b4.35\uff1d
10\uff0d5.4\uff1d 4\u00f720\uff1d 3.5\u00d7200\uff1d 1.5\uff0d0.06\uff1d
0.75\u00f715\uff1d 0.4\u00d70.8\uff1d 4\u00d70.25\uff1d 0.36\uff0b1.54\uff1d
1.01\u00d799\uff1d 420\u00f735\uff1d 25\u00d712\uff1d 135\u00f70.5\uff1d
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51\u00f717\uff1d 32.8\uff0b19\uff1d 5.2\u00f71.3\uff1d 1.6\u00d70.4\uff1d
4.9\u00d70.7\uff1d 1\u00f75\uff1d 6\u00f712\uff1d 0.87\uff0d0.49\uff1d
17\u00d740\uff1d 100\uff0d63\uff1d 3.2\uff0b1.68\uff1d 2.8\u00d70.4\uff1d
14\uff0d7.4\uff1d 1.92\u00f70.04\uff1d 0.32\u00d7500\uff1d 0.65\uff0b4.35\uff1d
10\uff0d5.4\uff1d 4\u00f720\uff1d 3.5\u00d7200\uff1d 1.5\uff0d0.06\uff1d
0.75\u00f715\uff1d 0.4\u00d70.8\uff1d 4\u00d70.25\uff1d 0.36\uff0b1.54\uff1d
1.01\u00d799\uff1d 420\u00f735\uff1d 25\u00d712\uff1d 135\u00f70.5\uff1d
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51\u00f717\uff1d 32.8\uff0b19\uff1d 5.2\u00f71.3\uff1d 1.6\u00d70.4\uff1d
4.9\u00d70.7\uff1d 1\u00f75\uff1d 6\u00f712\uff1d 0.87\uff0d0.49\uff1d
17\u00d740\uff1d 100\uff0d63\uff1d 3.2\uff0b1.68\uff1d 2.8\u00d70.4\uff1d
14\uff0d7.4\uff1d 1.92\u00f70.04\uff1d 0.32\u00d7500\uff1d 0.65\uff0b4.35\uff1d
10\uff0d5.4\uff1d 4\u00f720\uff1d 3.5\u00d7200\uff1d 1.5\uff0d0.06\uff1d
0.75\u00f715\uff1d 0.4\u00d70.8\uff1d 4\u00d70.25\uff1d 0.36\uff0b1.54\uff1d
1.01\u00d799\uff1d 420\u00f735\uff1d 25\u00d712\uff1d 135\u00f70.5\uff1d
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51\u00f717\uff1d 32.8\uff0b19\uff1d 5.2\u00f71.3\uff1d 1.6\u00d70.4\uff1d
4.9\u00d70.7\uff1d 1\u00f75\uff1d 6\u00f712\uff1d 0.87\uff0d0.49\uff1d
17\u00d740\uff1d 100\uff0d63\uff1d 3.2\uff0b1.68\uff1d 2.8\u00d70.4\uff1d
14\uff0d7.4\uff1d 1.92\u00f70.04\uff1d 0.32\u00d7500\uff1d 0.65\uff0b4.35\uff1d
10\uff0d5.4\uff1d 4\u00f720\uff1d 3.5\u00d7200\uff1d 1.5\uff0d0.06\uff1d
0.75\u00f715\uff1d 0.4\u00d70.8\uff1d 4\u00d70.25\uff1d 0.36\uff0b1.54\uff1d
1.01\u00d799\uff1d 420\u00f735\uff1d 25\u00d712\uff1d 135\u00f70.5\uff1d
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51\u00f717\uff1d 32.8\uff0b19\uff1d 5.2\u00f71.3\uff1d 1.6\u00d70.4\uff1d
4.9\u00d70.7\uff1d 1\u00f75\uff1d 6\u00f712\uff1d 0.87\uff0d0.49\uff1d
17\u00d740\uff1d 100\uff0d63\uff1d 3.2\uff0b1.68\uff1d 2.8\u00d70.4\uff1d
14\uff0d7.4\uff1d 1.92\u00f70.04\uff1d 0.32\u00d7500\uff1d 0.65\uff0b4.35\uff1d
10\uff0d5.4\uff1d 4\u00f720\uff1d 3.5\u00d7200\uff1d 1.5\uff0d0.06\uff1d
0.75\u00f715\uff1d 0.4\u00d70.8\uff1d 4\u00d70.25\uff1d 0.36\uff0b1.54\uff1d
1.01\u00d799\uff1d 420\u00f735\uff1d 25\u00d712\uff1d 135\u00f70.5\uff1d
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51\u00f717\uff1d 32.8\uff0b19\uff1d 5.2\u00f71.3\uff1d 1.6\u00d70.4\uff1d
4.9\u00d70.7\uff1d 1\u00f75\uff1d 6\u00f712\uff1d 0.87\uff0d0.49\uff1d
17\u00d740\uff1d 100\uff0d63\uff1d 3.2\uff0b1.68\uff1d 2.8\u00d70.4\uff1d
14\uff0d7.4\uff1d 1.92\u00f70.04\uff1d 0.32\u00d7500\uff1d 0.65\uff0b4.35\uff1d
10\uff0d5.4\uff1d 4\u00f720\uff1d 3.5\u00d7200\uff1d 1.5\uff0d0.06\uff1d
0.75\u00f715\uff1d 0.4\u00d70.8\uff1d 4\u00d70.25\uff1d 0.36\uff0b1.54\uff1d
1.01\u00d799\uff1d 420\u00f735\uff1d 25\u00d712\uff1d 135\u00f70.5\uff1d
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51\u00f717\uff1d 32.8\uff0b19\uff1d 5.2\u00f71.3\uff1d 1.6\u00d70.4\uff1d
4.9\u00d70.7\uff1d 1\u00f75\uff1d 6\u00f712\uff1d 0.87\uff0d0.49\uff1d
17\u00d740\uff1d 100\uff0d63\uff1d 3.2\uff0b1.68\uff1d 2.8\u00d70.4\uff1d
14\uff0d7.4\uff1d 1.92\u00f70.04\uff1d 0.32\u00d7500\uff1d 0.65\uff0b4.35\uff1d
10\uff0d5.4\uff1d 4\u00f720\uff1d 3.5\u00d7200\uff1d 1.5\uff0d0.06\uff1d
0.75\u00f715\uff1d 0.4\u00d70.8\uff1d 4\u00d70.25\uff1d 0.36\uff0b1.54\uff1d
1.01\u00d799\uff1d 420\u00f735\uff1d 25\u00d712\uff1d 135\u00f70.5\uff1d
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51\u00f717\uff1d 32.8\uff0b19\uff1d 5.2\u00f71.3\uff1d 1.6\u00d70.4\uff1d
4.9\u00d70.7\uff1d 1\u00f75\uff1d 6\u00f712\uff1d 0.87\uff0d0.49\uff1d
17\u00d740\uff1d 100\uff0d63\uff1d 3.2\uff0b1.68\uff1d 2.8\u00d70.4\uff1d
14\uff0d7.4\uff1d 1.92\u00f70.04\uff1d 0.32\u00d7500\uff1d 0.65\uff0b4.35\uff1d
10\uff0d5.4\uff1d 4\u00f720\uff1d 3.5\u00d7200\uff1d 1.5\uff0d0.06\uff1d
0.75\u00f715\uff1d 0.4\u00d70.8\uff1d 4\u00d70.25\uff1d 0.36\uff0b1.54\uff1d
1.01\u00d799\uff1d 420\u00f735\uff1d 25\u00d712\uff1d 135\u00f70.5\uff1d
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51\u00f717\uff1d 32.8\uff0b19\uff1d 5.2\u00f71.3\uff1d 1.6\u00d70.4\uff1d
4.9\u00d70.7\uff1d 1\u00f75\uff1d 6\u00f712\uff1d 0.87\uff0d0.49\uff1d
17\u00d740\uff1d 100\uff0d63\uff1d 3.2\uff0b1.68\uff1d 2.8\u00d70.4\uff1d
14\uff0d7.4\uff1d 1.92\u00f70.04\uff1d 0.32\u00d7500\uff1d 0.65\uff0b4.35\uff1d
10\uff0d5.4\uff1d 4\u00f720\uff1d 3.5\u00d7200\uff1d 1.5\uff0d0.06\uff1d
0.75\u00f715\uff1d 0.4\u00d70.8\uff1d 4\u00d70.25\uff1d 0.36\uff0b1.54\uff1d
1.01\u00d799\uff1d 420\u00f735\uff1d 25\u00d712\uff1d 135\u00f70.5\uff1d
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51\u00f717\uff1d 32.8\uff0b19\uff1d 5.2\u00f71.3\uff1d 1.6\u00d70.4\uff1d
4.9\u00d70.7\uff1d 1\u00f75\uff1d 6\u00f712\uff1d 0.87\uff0d0.49\uff1d
17\u00d740\uff1d 100\uff0d63\uff1d 3.2\uff0b1.68\uff1d 2.8\u00d70.4\uff1d
14\uff0d7.4\uff1d 1.92\u00f70.04\uff1d 0.32\u00d7500\uff1d 0.65\uff0b4.35\uff1d
10\uff0d5.4\uff1d 4\u00f720\uff1d 3.5\u00d7200\uff1d 1.5\uff0d0.06\uff1d
0.75\u00f715\uff1d 0.4\u00d70.8\uff1d 4\u00d70.25\uff1d 0.36\uff0b1.54\uff1d
1.01\u00d799\uff1d 420\u00f735\uff1d 25\u00d712\uff1d 135\u00f70.5\uff1d
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51\u00f717\uff1d 32.8\uff0b19\uff1d 5.2\u00f71.3\uff1d 1.6\u00d70.4\uff1d
4.9\u00d70.7\uff1d 1\u00f75\uff1d 6\u00f712\uff1d 0.87\uff0d0.49\uff1d
17\u00d740\uff1d 100\uff0d63\uff1d 3.2\uff0b1.68\uff1d 2.8\u00d70.4\uff1d
14\uff0d7.4\uff1d 1.92\u00f70.04\uff1d 0.32\u00d7500\uff1d 0.65\uff0b4.35\uff1d
10\uff0d5.4\uff1d 4\u00f720\uff1d 3.5\u00d7200\uff1d 1.5\uff0d0.06\uff1d
0.75\u00f715\uff1d 0.4\u00d70.8\uff1d 4\u00d70.25\uff1d 0.36\uff0b1.54\uff1d
1.01\u00d799\uff1d 420\u00f735\uff1d 25\u00d712\uff1d 135\u00f70.5\uff1d
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51\u00f717\uff1d 32.8\uff0b19\uff1d 5.2\u00f71.3\uff1d 1.6\u00d70.4\uff1d
4.9\u00d70.7\uff1d 1\u00f75\uff1d 6\u00f712\uff1d 0.87\uff0d0.49\uff1d
17\u00d740\uff1d 100\uff0d63\uff1d 3.2\uff0b1.68\uff1d 2.8\u00d70.4\uff1d
14\uff0d7.4\uff1d 1.92\u00f70.04\uff1d 0.32\u00d7500\uff1d 0.65\uff0b4.35\uff1d
10\uff0d5.4\uff1d 4\u00f720\uff1d 3.5\u00d7200\uff1d 1.5\uff0d0.06\uff1d
0.75\u00f715\uff1d 0.4\u00d70.8\uff1d 4\u00d70.25\uff1d 0.36\uff0b1.54\uff1d
1.01\u00d799\uff1d 420\u00f735\uff1d 25\u00d712\uff1d 135\u00f70.5\uff1d
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51\u00f717\uff1d 32.8\uff0b19\uff1d 5.2\u00f71.3\uff1d 1.6\u00d70.4\uff1d
4.9\u00d70.7\uff1d 1\u00f75\uff1d 6\u00f712\uff1d 0.87\uff0d0.49\uff1d
17\u00d740\uff1d 100\uff0d63\uff1d 3.2\uff0b1.68\uff1d 2.8\u00d70.4\uff1d
14\uff0d7.4\uff1d 1.92\u00f70.04\uff1d 0.32\u00d7500\uff1d 0.65\uff0b4.35\uff1d
10\uff0d5.4\uff1d 4\u00f720\uff1d 3.5\u00d7200\uff1d 1.5\uff0d0.06\uff1d
0.75\u00f715\uff1d 0.4\u00d70.8\uff1d 4\u00d70.25\uff1d 0.36\uff0b1.54\uff1d
1.01\u00d799\uff1d 420\u00f735\uff1d 25\u00d712\uff1d 135\u00f70.5\uff1d
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51\u00f717\uff1d 32.8\uff0b19\uff1d 5.2\u00f71.3\uff1d 1.6\u00d70.4\uff1d
4.9\u00d70.7\uff1d 1\u00f75\uff1d 6\u00f712\uff1d 0.87\uff0d0.49\uff1d
17\u00d740\uff1d 100\uff0d63\uff1d 3.2\uff0b1.68\uff1d 2.8\u00d70.4\uff1d
14\uff0d7.4\uff1d 1.92\u00f70.04\uff1d 0.32\u00d7500\uff1d 0.65\uff0b4.35\uff1d
10\uff0d5.4\uff1d 4\u00f720\uff1d 3.5\u00d7200\uff1d 1.5\uff0d0.06\uff1d
0.75\u00f715\uff1d 0.4\u00d70.8\uff1d 4\u00d70.25\uff1d 0.36\uff0b1.54\uff1d
1.01\u00d799\uff1d 420\u00f735\uff1d 25\u00d712\uff1d 135\u00f70.5\uff1d
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51\u00f717\uff1d 32.8\uff0b19\uff1d 5.2\u00f71.3\uff1d 1.6\u00d70.4\uff1d
4.9\u00d70.7\uff1d 1\u00f75\uff1d 6\u00f712\uff1d 0.87\uff0d0.49\uff1d
17\u00d740\uff1d 100\uff0d63\uff1d 3.2\uff0b1.68\uff1d 2.8\u00d70.4\uff1d
14\uff0d7.4\uff1d 1.92\u00f70.04\uff1d 0.32\u00d7500\uff1d 0.65\uff0b4.35\uff1d
10\uff0d5.4\uff1d 4\u00f720\uff1d 3.5\u00d7200\uff1d 1.5\uff0d0.06\uff1d
0.75\u00f715\uff1d 0.4\u00d70.8\uff1d 4\u00d70.25\uff1d 0.36\uff0b1.54\uff1d
1.01\u00d799\uff1d 420\u00f735\uff1d 25\u00d712\uff1d 135\u00f70.5\uff1d
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51\u00f717\uff1d 32.8\uff0b19\uff1d 5.2\u00f71.3\uff1d 1.6\u00d70.4\uff1d
4.9\u00d70.7\uff1d 1\u00f75\uff1d 6\u00f712\uff1d 0.87\uff0d0.49\uff1d
17\u00d740\uff1d 100\uff0d63\uff1d 3.2\uff0b1.68\uff1d 2.8\u00d70.4\uff1d
14\uff0d7.4\uff1d 1.92\u00f70.04\uff1d 0.32\u00d7500\uff1d 0.65\uff0b4.35\uff1d
10\uff0d5.4\uff1d 4\u00f720\uff1d 3.5\u00d7200\uff1d 1.5\uff0d0.06\uff1d
0.75\u00f715\uff1d 0.4\u00d70.8\uff1d 4\u00d70.25\uff1d 0.36\uff0b1.54\uff1d
1.01\u00d799\uff1d 420\u00f735\uff1d 25\u00d712\uff1d 135\u00f70.5\uff1d
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51\u00f717\uff1d 32.8\uff0b19\uff1d 5.2\u00f71.3\uff1d 1.6\u00d70.4\uff1d
4.9\u00d70.7\uff1d 1\u00f75\uff1d 6\u00f712\uff1d 0.87\uff0d0.49\uff1d
17\u00d740\uff1d 100\uff0d63\uff1d 3.2\uff0b1.68\uff1d 2.8\u00d70.4\uff1d
14\uff0d7.4\uff1d 1.92\u00f70.04\uff1d 0.32\u00d7500\uff1d 0.65\uff0b4.35\uff1d
10\uff0d5.4\uff1d 4\u00f720\uff1d 3.5\u00d7200\uff1d 1.5\uff0d0.06\uff1d
0.75\u00f715\uff1d 0.4\u00d70.8\uff1d 4\u00d70.25\uff1d 0.36\uff0b1.54\uff1d
1.01\u00d799\uff1d 420\u00f735\uff1d 25\u00d712\uff1d 135\u00f70.5\uff1d
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51\u00f717\uff1d 32.8\uff0b19\uff1d 5.2\u00f71.3\uff1d 1.6\u00d70.4\uff1d
4.9\u00d70.7\uff1d 1\u00f75\uff1d 6\u00f712\uff1d 0.87\uff0d0.49\uff1d
\u6211\u53ef\u6ca1\u672c\u4e8b\uff01
17\u00d740\uff1d680, 100\uff0d63\uff1d37, 3.2\uff0b1.68\uff1d4.88, 2.8\u00d70.4\uff1d 1.12
14\uff0d7.4\uff1d6.6, 1.92\u00f70.04\uff1d48, 0.32\u00d7500\uff1d160, 0.65\uff0b4.35\uff1d 5
10\uff0d5.4\uff1d4.6, 4\u00f720\uff1d0.2, 3.5\u00d7200\uff1d700, 1.5\uff0d0.06\uff1d1.44
0.75\u00f715\uff1d0.05, 0.4\u00d70.8\uff1d0.32, 4\u00d70.25\uff1d1, 0.36\uff0b1.54\uff1d2
1.01\u00d799\uff1d99.99, 420\u00f735\uff1d12, 25\u00d712\uff1d300, 135\u00f70.5\uff1d270
3/4 + 1/4 =1, 2 + 4/9 =22/9, 3 - 2/3 =7/3, 3/4 - 1/2= 1/4
1/6 + 1/2 -1/6 =1/2, 7.5-(2.5+3.8)=1.2, 7/8 + 3/8 =5/4
3/10 +1/5 =1/2, 4/5 - 7/10 =1/10, 2 - 1/6 -1/3 =1.5
0.51\u00f717\uff1d0.03, 32.8\uff0b19\uff1d51.8, 5.2\u00f71.3\uff1d4, 1.6\u00d70.4\uff1d 0.64
4.9\u00d70.7\uff1d3.43, 1\u00f75\uff1d0.2, 6\u00f712\uff1d0.5, 0.87\uff0d0.49\uff1d0.38
1.(1+1/2)(1+1/3)(1+1/4)......(1+1/100)
2.(1-1/2)(1-1/3)(1-1/4)......(1-1/100)
3.8+2-8+2
4.25*4/25*4
5.7.26-(5.26-1.5)
6.286+198
7.314-202
8.526+301
9.223-99
10.6.25+3.85-2.125+3.875
11.9-2456*21
12.0.5/11.5-4*2.75
13.1/2\u00d73/5
14.3.375+5.75+2.25+6.625
15.1001\uff0d9036\u00f718
16.3.8\u00d75.25+14.5
17.2.1*4.3+5.7*2.1
18.30\u00d71/3
19.102*45-328
20.2/3\u00d712
21.2.8*3.1+17.6/8
22.3/5\u00d75/6
23.(50-12.5)/2.5
24.2/5\u00d71/3
25.6110*47+639
26.1/2-1/6
27.3.5*2.7-52.2/18
28.1/7\u00d71/5
29.3.375*0.97+0.97*6.625
30.25\u00d74/5
31.6.54+2.4+3.46+0.6
32.5/6-1/2
33.95.6*1.8+95.6*8.2
34.1/2\u00d71/5
35.600-420/12
36.344/3.6-5.4*0.25
37.16/2+30/2+90/6
38.3001-1998.
39.5000-105*34
40.0.15/0.25+0.75*1.2
41.(1/2+1/3+1/4)*0.24
42.(25+4)*4
43.300-4263/21
44.0.81/0.25+5.96
45.403\u00f713\u00d727
46.1.5\u00d74.2\uff0d0.75\u00f70.25
47.3.27\u00d74 +3.27\u00d75.7
48.\uff081.2+ 1.8\uff09\u00d74.51025\uff0d768\u00f732
49.0.25\u00d780\uff0d0.45\u00f70.9
50.1025\uff0d768\u00f732
51.0.25*2.69*4
52.2348+275*16
53.2/9*15/8-1/12*9/5
54.2.4+2.4*(5.375-3.375)
55.645-45*12
56.0.15+1.2/0.24-0.45
57.3.75-(2.35+0.25/1.25)
58.76*1/4+23*25/100+0.25
59.10-2.87-7.13
60.0.96+9.6*9.9
61.7.5-5.7*1/3
62.12.37-3.25-6.75
63.16*6.8+2.2*16+16
64.401*19+284
65.58.7-16.65/3.7
66.0.4*4.7*2.5+(2.3+5.3)
67.9.31-1.125-7.875
68.640+128*45
69.8.2*1.6-0.336/4.2
70.400*(0.62+0.08)
2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2
4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35
4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14
30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18
5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4
10/1*90=9 5/3*105=63 19/7*38=14 5/1*25=5
8/19*16=38 61/60*122=120 7/2*28=8 6/1*48=8
9/7*18=14 25/7*100=28 9/5*81=45 8/9*16=18
123+25=148 123-35=88 56\u00d77=392 135\u00f75=27
248+89=337 ... 146-23=123 ... 155\u00d75=775 ... 456-12=38...
456+45=501 ...546-457=89 ... 45\u00d710=451 ... 564-12=47...
879+54=933 ...896-546=350 ...56\u00d712=672.... 45-5=9...
457+456=913...
\u8131\u5f0f\u8ba1\u7b97
30.8\u00f7[14\uff0d(9.85\uff0b1.07)]
[60\uff0d(9.5\uff0b28.9)]\u00f70.18
2.881\u00f70.43\uff0d0.24\u00d73.5
20\u00d7[(2.44\uff0d1.8)\u00f70.4\uff0b0.15]
28-(3.4+1.25\u00d72.4)
2.55\u00d77.1+2.45\u00d77.1
777\u00d79+1111\u00d73
0.8\u00d7\u301415.5-(3.21+5.79)\u3015
\uff0831.8+3.2\u00d74\uff09\u00f75
31.5\u00d74\u00f7(6+3)
0.64\u00d725\u00d77.8+2.2
2\u00f72.5+2.5\u00f72
194\uff0d64.8\u00f71.8\u00d70.9
36.72\u00f74.25\u00d79.9
5180\uff0d705\u00d76
24\u00f72.4\uff0d2.5\u00d70.8
(4121+2389)\u00f77
671\u00d715-974
469\u00d712+1492
405\u00d7(3213-3189)
3.416\u00f7\uff080.016\u00d735\uff09
0.8\u00d7[(10\uff0d6.76)\u00f71.2]
19.4\u00d76.1\u00d72.3
5.67\u00d70.2-0.62
18.1\u00d70.92+3.93
0.0430.24+0.875
0.4\u00d70.7\u00d70.25
0.75\u00d7102 100-56.23
0.78+5.436+1
4.07\u00d70.86+9.12.5
30.8\u00f7[14\uff0d(9.85\uff0b1.07)]
[60\uff0d(9.5\uff0b28.9)]\u00f70.18
2.881\u00f70.43\uff0d0.24\u00d73.5
20\u00d7[(2.44\uff0d1.8)\u00f70.4\uff0b0.15]
28-(3.4+1.25\u00d72.4)
2.55\u00d77.1+2.45\u00d77.1
777\u00d79+1111\u00d73
0.8\u00d7\u301415.5-(3.21+5.79)\u3015
\uff0831.8+3.2\u00d74\uff09\u00f75
31.5\u00d74\u00f7(6+3)
0.64\u00d725\u00d77.8+2.2
2\u00f72.5+2.5\u00f72
194\uff0d64.8\u00f71.8\u00d70.9
36.72\u00f74.25\u00d79.9
5180\uff0d705\u00d76
24\u00f72.4\uff0d2.5\u00d70.8
(4121+2389)\u00f77
671\u00d715-974
469\u00d712+1492
405\u00d7(3213-3189)
3.416\u00f7\uff080.016\u00d735\uff09
0.8\u00d7[(10\uff0d6.76)\u00f71.2]
19.4\u00d76.1\u00d72.3 5.67\u00d70.2-0.62
18.1\u00d70.92+3.93 0.0430.24+0.875
0.4\u00d70.7\u00d70.25 0.75\u00d7102 100-56.23
0.78+5.436+1 4.07\u00d70.86+9.12.5
\u7b80\u7b97
\u662f\u4e58\u53f7 /\u662f\u9664\u53f7
0.3*2.5*0.4
50*0.13*0.2
0.8*630*0.125
0.78*101
1.5*102
9.8*25
1.2*2.5+0.8*2.5
1.25*0.7*0.8
0.038*5*2.1
3.8+4.5+6.2
93/0.31/3
3.25\uff0d0.84-0.16
88*0.25*4
2.8*3.6+1.4*2.8
63*10.1
\uff083.2+0.128\uff09/0.8
9.83*1.5+6.17*1.5
10.1*87
312*4+188*4
0.135*500*0.2
6.3+0.84+3.7+8.16
18.75-0.43-4.57
0.25*0.03*4
13.7*0.25*8
2.65*1.7+1.35*1.7
32.8+5.6+7.2
\uff082.5+0.25\uff09*0.4
8*\uff082.5*0.25\uff09
8.4*0.2+1.6*0.2
1.25*0.8*0.5
\uff081.5+0.25\uff09*0.4
1.2*0.4+1.3*0.4
\u65b9\u7a0b
9+6x=14
x+9x=4+7
2x+9=17
8-4x=6
6x-7=12
7x-9=8
x-56=1
8-7x=1
x-30=12
6x-21=21
6x-3=6
9x=18
4x-18=13
5x+9=11
6-2x=11
x+4+8=23
7x-12=8
X-5.7=2.15
15 5X-2X=18
3X 0.7=5
x\uff0b13\uff1d33
3 \uff0d 5x\uff1d80
1.8 +6x\uff1d54
6.7x \uff0d60.3\uff1d6.7
9 \uff0b4x \uff1d40
2x+8=16
3.5\u00d72= 4.2 x
26\u00d71.5= 2x
0.5\u00d716\u201516\u00d70.2=4x
9.25\uff0dX=0.403
16.9\u00f7X=0.3
X\u00f70.5=2.6
3\uff0d5x\uff1d80
1.8-6x\uff1d54
6.7x\uff0d60.3\uff1d6.7
9 \uff0b4x\uff1d40
0.2x\uff0d0.4\uff0b0.5\uff1d3.7
9.4x\uff0d0.4x\uff1d16.2
12\uff0d4x\uff1d20
1/3x\uff0b5/6x\uff1d1.4
12x\uff0b34x=1
18x\uff0d14x=12
23 x\uff0d5\u00d714=14
12\uff0b34x=56
22\uff0d14x=12
23x-14x=14
x\uff0b14x=65
23x=14x\uff0b14
30x12x\uff0d14x=1
x-0.7x=3.6
\u5e94\u7528\u9898
\u4e00\u3001\u5c0f\u6570\u4e00\u6b65\u52a0\u3001\u51cf\u6cd5\u5e94\u7528\u9898
1\u3001\u4e00\u672c\u6570\u5b66\u8bfb\u72696.25\u5143\uff0c\u4e00\u672c\u8bed\u6587\u8bfb\u72695.86\u5143\u3002\u4e24\u672c\u4e66\u4e00\u5171\u8981\u591a\u5c11\u94b1\uff1f
2\u3001\u4e00\u4e2a\u897f\u74dc\u91cd4.86\u5343\u514b\uff0c\u4e00\u4e2a\u54c8\u5bc6\u74dc\u91cd3.5\u5343\u514b\u3002\u4e00\u4e2a\u897f\u74dc\u6bd4\u4e00\u4e2a\u54c8\u5bc6\u74dc\u91cd\u591a\u591a\u5c11\u5343\u514b\uff1f
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2\u3001\u4e00\u4e2a\u517b\u8695\u4e13\u4e1a\u7ec4\u517b\u6625\u869521\u5f20\uff0c\u4e00\u5171\u4ea7\u83271240\u5343\u514b\u3002\u5e73\u5747\u6bcf\u5f20\u5927\u7ea6\u4ea7\u8327\u591a\u5c11\u5343\u514b\uff1f
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2\u3001\u98df\u5802\u8fd0\u6765\u9762\u7c89\u548c\u5927\u7c73\u54043\u888b\u3002\u9762\u7c89\u6bcf\u888b\u91cd25\u5343\u514b\uff0c\u5927\u7c73\u6bcf\u888b\u91cd50\u5343\u514b\u3002\u8fd0\u6765\u9762\u7c89\u548c\u5927\u7c73\u4e00\u5171\u591a\u5c11\u5343\u514b\uff1f
3\u3001\u6c11\u5175\u6253\u9776\uff0c\u7b2c\u4e00\u6b21\u7528\u5b50\u5f39250\u53d1\uff0c\u7b2c\u4e8c\u6b21\u7528\u5b50\u5f39320\u53d1\uff0c\u7b2c\u4e09\u6b21\u6bd4\u524d\u4e24\u6b21\u7684\u603b\u548c\u5c11180\u53d1\uff0c\u7b2c\u4e09\u6b21\u7528\u5b50\u5f39\u591a\u5c11\u53d1\uff1f
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1\u3001\u5b66\u6821\u4e70\u5f69\u8272\u7c89\u7b1445\u76d2\uff0c\u4e70\u7684\u767d\u7c89\u7b14\u6bd4\u5f69\u8272\u7c89\u7b14\u591a15\u76d2\u3002\u4e00\u5171\u4e70\u591a\u5c11\u76d2\u7c89\u7b14\uff1f
2\u3001\u4e00\u4e2a\u7a7a\u7b50\u91cd2\u5343\u514b\uff0c\u5f80\u7b50\u91cc\u653e\u516532\u5343\u514b\u82b1\u751f\u3002\u88c5\u7740\u82b1\u751f\u7684\u7b50\u7684\u91cd\u91cf\u662f\u7a7a\u7b50\u7684\u591a\u5c11\u500d\uff1f
\u4e94\u3001\u8fde\u4e58\u5e94\u7528\u9898
1\u3001\u7cae\u5e97\u8fd0\u6765\u4e24\u8f66\u9762\u7c89\uff0c\u6bcf\u8f66\u88c580\u888b\uff0c\u6bcf\u888b25\u5343\u514b\u3002\u8fd9\u4e2a\u7cae\u5e97\u8fd0\u6765\u591a\u5c11\u5343\u514b\u9762\u7c89\uff1f\uff08\u7528\u4e24\u79cd\u65b9\u6cd5\u89e3\u7b54\uff09
2\u3001\u4e09\u5e74\u7ea7\u540c\u5b66\u5230\u83dc\u56ed\u6536\u767d\u83dc\uff0c\u5206\u62104\u7ec4\uff0c\u6bcf\u7ec411\u4eba\uff0c\u5e73\u5747\u6bcf\u4eba\u653645\u5343\u514b\u3002\u4e00\u5171\u6536\u767d\u83dc\u591a\u5c11\u5343\u514b\uff1f
1\uff0e\u5316\u80a5\u5382\u8ba1\u5212\u751f\u4ea77200\u5428\u5316\u80a5\uff0c\u5df2\u7ecf\u751f\u4ea7\u4e864\u4e2a\u6708\uff0c\u5e73\u5747\u6bcf\u6708\u751f\u4ea7\u5316\u80a51200\u5428\uff0c\u4f59\u4e0b\u7684\u6bcf\u6708\u751f\u4ea7800\u5428\uff0c\u8fd8\u8981\u751f\u4ea7\u591a\u5c11\u4e2a\u6708\u624d\u80fd\u5b8c\u6210\uff1f
2. \u5851\u6599\u5382\u8ba1\u5212\u751f\u4ea71300\u4ef6\u5851\u6599\u6a21\u4ef6\uff0c6\u5929\u751f\u4ea7\u4e86780\u4ef6\u3002\u7167\u8fd9\u6837\u8ba1\u7b97\uff0c\u5269\u4e0b\u7684\u8fd8\u8981\u751f\u4ea7\u591a\u5c11\u5929\u624d\u80fd\u5b8c\u6210\uff1f
3\uff0e\u674e\u5e08\u5085\u4e0a\u53484\u5c0f\u65f6\u751f\u4ea7\u4e86252\u4e2a\u96f6\u4ef6\uff0c\u7167\u8fd9\u6837\u7684\u901f\u5ea6\u4e0b\u5348\u53c8\u5de5\u4f5c3\u5c0f\u65f6\u3002\u674e\u5e08\u5085\u8fd9\u4e00\u5929\u5171\u751f\u4ea7\u96f6\u4ef6\u591a\u5c11\u4ef6\uff1f
4. \u6c34\u6ce5\u5382\u8ba1\u5212\u751f\u4ea7\u6c34\u6ce53600\u5428\uff0c\u752820\u5929\u5b8c\u6210\u3002\u5b9e\u9645\u6bcf\u5929\u6bd4\u8ba1\u5212\u591a\u751f\u4ea720\u5428\uff0c\u5b9e\u9645\u591a\u5c11\u5929\u5b8c\u6210\u4efb\u52a1\uff1f
5\uff0e\u4e00\u5806\u71643.6\u5428\uff0c\u8ba1\u5212\u53ef\u4ee5\u70e710\u5929\uff0c\u6539\u8fdb\u7089\u7076\u540e\uff0c\u6bcf\u5929\u6bd4\u539f\u8ba1\u5212\u8282\u7ea60.06\u5428\uff0c\u8fd9\u5806\u7164\u73b0\u5728\u53ef\u4ee5\u70e7\u591a\u5c11\u5929\uff1f
6. \u7532\u3001\u4e59\u4e24\u5730\u76f8\u8ddd420\u5343\u7c73\uff0c\u4e00\u8f86\u5ba2\u8f66\u4ece\u7532\u5730\u5230\u4e59\u5730\u8ba1\u5212\u884c\u4f7f7\u5c0f\u65f6\u3002\u5b9e\u9645\u6bcf\u5c0f\u65f6\u6bd4\u539f\u8ba1\u5212\u591a\u884c\u4f7f10\u5343\u7c73\uff0c\u5b9e\u9645\u51e0\u5c0f\u65f6\u5230\u8fbe\uff1f
7\uff0e\u5c0f\u5f3a\u4ece\u5bb6\u56de\u6821\u4e0a\u8bfe\uff0c\u5982\u679c\u6bcf\u5206\u949f\u8d7050\u7c73\uff0c12\u5206\u949f\u56de\u5230\u5b66\u6821\uff0c\u5982\u679c\u6bcf\u5206\u949f\u591a\u8d7010\u7c73\uff0c\u63d0\u524d\u51e0\u5206\u949f\u53ef\u4ee5\u56de\u5230\u5b66\u6821\uff1f
8. \u7b51\u4e00\u6761\u957f6.4\u5343\u7c73\u7684\u516c\u8def\uff0c\u524d3\u4e2a\u6708\u5e73\u5747\u6bcf\u6708\u7b511.2\u5343\u7c73\uff0c\u5269\u4e0b\u7684\u6bcf\u6708\u4fee1.4\u5343\u7c73\uff0c\u8fd8\u8981\u51e0\u4e2a\u6708\u5b8c\u6210\uff1f
9\uff0e\u5c0f\u660e\u752810.2\u5143\u4e70\u6587\u5177\uff0c\u4e70\u4e866\u652f\u94c5\u7b14\uff0c\u6bcf\u652f0.45\u5143\uff0c\u4f59\u4e0b\u7684\u94b1\u4e70\u5706\u73e0\u7b14\uff0c\u6bcf\u652f2.5\u5143\uff0c\u53ef\u4ee5\u4e70\u591a\u5c11\u652f\uff1f
10. \u670d\u88c5\u5382\u539f\u8ba1\u5212\u505a120\u5957\u897f\u670d\uff0c\u6bcf\u5957\u897f\u670d\u7528\u5e034.8\u7c73\uff0c\u6539\u8fdb\u88c1\u526a\u65b9\u6cd5\u540e\u3002\u6bcf\u5957\u8282\u7ea6\u7528\u5e030.3\u7c73\uff0c\u539f\u6765\u7528\u7684\u5e03\u73b0\u5728\u53ef\u505a\u897f\u670d\u591a\u5c11\u5957\uff1f
11\uff0e\u4e00\u672c\u6545\u4e8b\u4e66\uff0c\u539f\u6765\u6bcf\u9875\u6392576\u5b57\uff0c\u6392\u4e8625\u9875\u3002\u518d\u7248\u65f6\u5b57\u6539\u5c0f\u4e86\uff0c\u53ea\u9700\u639218\u9875\u3002\u73b0\u5728\u6bcf\u9875\u6bd4\u539f\u6765\u591a\u6392\u591a\u5c11\u4e2a\u5b57\uff1f
12. \u4e00\u5217\u5ba2\u8f66\u548c\u4e00\u5217\u8d27\u8f66\u540c\u65f6\u4ece\u7532\u3001\u4e59\u4e24\u5730\u76f8\u5bf9\u5f00\u51fa\uff0c\u5ba2\u8f66\u6bcf\u5c0f\u65f6\u884c\u4f7f80\u5343\u7c73\uff0c\u8d27\u8f66\u6bcf\u5c0f\u65f6\u884c\u4f7f60\u5343\u7c73\uff0c\u7ecf\u8fc75\u5c0f\u65f6\u4e24\u8f66\u76f8\u9047\u3002\u7532\u3001\u4e59\u4e24\u5730\u7684\u94c1\u8def\u957f\u591a\u5c11\u5343\u7c73\uff1f
13\uff0e\u4e24\u4e2a\u5de5\u7a0b\u961f\u540c\u65f6\u5408\u5f00\u4e00\u67611500\u7c73\u7684\u96a7\u9053\uff0c\u7532\u5de5\u7a0b\u961f\u5728\u4e00\u7aef\u5f00\u5de5\uff0c\u6bcf\u5929\u631614\u7c73\uff0c\u4e59\u5de5\u7a0b\u961f\u5728\u53e6\u4e00\u7aef\u5f00\u5de5\uff0c\u6bcf\u5929\u631616\u7c73\uff0c\u591a\u5c11\u5929\u540e\u96a7\u9053\u53ef\u4ee5\u6316\u901a\uff1f
14. \u7532\u3001\u4e59\u4e24\u4eba\u540c\u65f6\u5408\u6253\u4e00\u4efd7000\u5b57\u7684\u7a3f\u4ef6\uff0c\u7532\u6bcf\u5c0f\u65f6\u6253600\u5b57\uff0c\u4e59\u6bd4\u7532\u6bcf\u5c0f\u65f6\u591a\u6253200\u5b57\uff0c\u7ecf\u8fc7\u51e0\u5c0f\u65f6\u53ef\u4ee5\u5b8c\u6210\u4efb\u52a1\uff1f
15\uff0e\u5c0f\u660e\u548c\u5c0f\u5f3a\u653e\u5b66\u540e\u5728\u5b66\u6821\u95e8\u53e3\u5411\u76f8\u53cd\u7684\u65b9\u5411\u884c\u8d70\uff0c\u5c0f\u660e\u6bcf\u5206\u949f\u8d7070\u7c73\uff0c\u5c0f\u5f3a\u6bcf\u5206\u949f\u8d7068\u7c73\uff0c5\u5206\u949f\u540e\u4e24\u4eba\u76f8\u8ddd\u591a\u5c11\u7c73\uff1f
16\u3001 \u7532\u3001\u4e59\u4e24\u5730\u7684\u8def\u7a0b\u662f630\u5343\u7c73\uff0c\u5ba2\u8f66\u4ece\u7532\u5730\u5f00\u51fa2\u5c0f\u65f6\u540e\uff0c\u8d27\u8f66\u4ece\u4e59\u5730\u76f8\u5411\u5f00\u51fa\uff0c\u5df2\u77e5\u5ba2\u8f66\u6bcf\u5c0f\u65f6\u884c\u4f7f65\u5343\u7c73\uff0c\u8d27\u8f66\u6bcf\u5c0f\u65f6\u884c\u4f7f60\u5343\u7c73\u3002\u8d27\u8f66\u5f00\u51fa\u51e0\u5c0f\u65f6\u540e\u4e0e\u5ba2\u8f66\u76f8\u9047\uff1f
\u4e94\u5e74\u7ea7\u6570\u5b66\u5e94\u7528\u9898\u7ec3\u4e60\uff08\u4e8c\uff09
\u73ed\u522b\uff1a \u59d3\u540d\uff1a \u6210\u7ee9\uff1a
1\u3001\u673a\u5e8a\u5382\u539f\u6765\u77e5\u9053\u673a\u5e8a\u6bcf\u53f0\u7528\u94a2\u67501.02\u5428\uff0c\u6539\u8fdb\u8bbe\u8ba1\u540e\uff0c\u6bcf\u53f0\u6bd4\u539f\u6765\u8282\u7ea60.12\u5428\uff0c\u539f\u6765\u5236\u9020300\u53f0\u6240\u7528\u7684\u94a2\u6750\uff0c\u73b0\u5728\u53ef\u4ee5\u5236\u9020\u673a\u5e8a\u591a\u5c11\u53f0\uff1f
2\u3001\u5c0f\u660e\u4e70\u4e866\u652f\u94c5\u7b14\u548c4\u672c\u7ec3\u4e60\u672c\uff0c\u6bcf\u672c\u7ec3\u4e60\u672c0.68\u5143\uff0c\u6bcf\u652f\u94c5\u7b140.24\u5143\u3002\u5c0f\u660e\u4ed8\u51fa5\u5143\u94b1\uff0c\u5e94\u627e\u56de\u591a\u5c11\u5143\uff1f
3\u3001\u7532\u3001\u4e59\u4e24\u5217\u706b\u8f66\u540c\u65f6\u4ece\u4e24\u5730\u76f8\u5bf9\u5f00\u51fa\uff0c\u7532\u706b\u8f66\u6bcf\u5c0f\u65f6\u884c\u4f7f80\u5343\u7c73\uff0c\u4e59\u706b\u8f66\u6bcf\u5c0f\u65f6\u884c\u4f7f70\u5343\u7c73\uff0c\u5f00\u51fa12\u5c0f\u65f6\u540e\u4e24\u8f66\u8fd8\u76f8\u8ddd110\u5343\u7c73\uff0c\u4e24\u5730\u76f8\u8ddd\u6709\u591a\u5c11\u5343\u7c73\uff1f
4\u3001\u5149\u660e\u9020\u7eb8\u5382\u751f\u4ea7\u4e00\u6279\u65b0\u95fb\u7eb8\uff0c\u539f\u8ba1\u521228\u5929\u5b8c\u6210\uff0c\u6bcf\u5929\u9700\u751f\u4ea712.5\u5428\u3002\u65bd\u52a0\u63d0\u524d3\u5929\u5b8c\u6210\uff0c\u5b9e\u9645\u6bcf\u5929\u6bd4\u539f\u8ba1\u5212\u591a\u751f\u4ea7\u591a\u5c11\u5428\uff1f
5\u3001\u674e\u5e08\u5085\u751f\u4ea7\u4e00 \u6279\u96f6\u4ef6\uff0c\u524d3\u5929\u751f\u4ea7\u96f6\u4ef6126\u4ef6\uff0c\u7167\u8fd9\u6837\u8ba1\u7b97\uff0c\u518d\u751f\u4ea712\u5929\u5b8c\u6210\u751f\u4ea7\u4efb\u52a1\u3002\u8fd9\u6279\u96f6\u4ef6\u5171\u6709\u591a\u5c11\u4ef6\uff1f
6\u3001\u5316\u80a5\u5382\u8ba1\u5212\u752830\u5929\u751f\u4ea7\u5316\u80a584\u5428\uff0c\u5b9e\u9645\u6bcf\u5929\u6bd4\u8ba1\u5212\u591a\u751f\u4ea70.2\u5428\uff0c\u5b9e\u9645\u6bd4\u8ba1\u5212\u63d0\u524d\u51e0\u5929\u5b8c\u6210\u4efb\u52a1\uff1f
7\u3001\u52a0\u5de5\u4e00\u6279\u670d\u88c5\uff0c\u6bcf\u5929\u52a0\u5de5300\u5957\uff0c16\u5929\u53ef\u4ee5\u5b8c\u6210\uff0c
\uff081\uff09 \u5982\u679c\u6bcf\u5929\u52a0\u5de5400\u5957\uff0c\u63d0\u524d\u51e0\u5929\u5b8c\u6210\uff1f
\uff082\uff09 \u5982\u679c\u6bcf\u5929\u591a\u52a0\u5de520\u5957\uff0c\u51e0\u5929\u53ef\u4ee5\u5b8c\u6210\uff1f
\uff083\uff09 \u5982\u679c\u8981\u63d0\u524d5\u5929\u5b8c\u6210\uff0c\u6bcf\u5929\u8981\u52a0\u5de5\u591a\u5c11\u5957\uff1f
8\u3001\u67d0\u6c7d\u8f66\u5382\u8ba1\u5212\u5168\u5e74\u751f\u4ea7\u6c7d\u8f6616800\u53f0\uff0c\u7ed3\u679c\u63d0\u524d2\u4e2a\u6708\u5c31\u5b8c\u6210\u4e86\u5168\u5e74\u7684\u751f\u4ea7\u4efb\u52a1\u3002\u7167\u8fd9\u6837\u7684\u901f\u5ea6\uff0c\u5168\u5e74\u53ef\u751f\u4ea7\u6c7d\u8f66\u591a\u5c11\u53f0\uff1f
9\u3001\u65b0\u4e30\u519c\u673a\u5382\u4e00\u4e2a\u8f66\u95f4\u52a0\u5de52480\u4e2a\u96f6\u4ef6\u3002\u539f\u6765\u6bcf\u5929\u52a0\u5de5100\u4e2a\uff0c\u5de5\u4f5c20\u5929\u540e\uff0c\u6539\u4e3a\u6bcf\u5929\u52a0\u5de5120\u4e2a\u3002\u8fd9\u6837\u518d\u52a0\u5de5\u51e0\u5929\u5c31\u53ef\u4ee5\u5b8c\u6210\u4efb\u52a1\uff1f
10\u3001\u4e00\u4e2a\u670d\u88c5\u5382\u539f\u6765\u505a\u4e00\u79cd\u513f\u7ae5\u670d\u88c5\uff0c\u6bcf\u5957\u7528\u5e032.2\u7c73\u3002\u73b0\u5728\u6539\u8fdb\u4e86\u88c1\u526a\u65b9\u6cd5\uff0c\u6bcf\u5957\u8282\u7701\u5e030.2\u7c73\u3002\u539f\u6765\u505a600\u5957\u8fd9\u79cd\u670d\u88c5\u6240\u7528\u7684\u5e03\uff0c\u73b0\u5728\u53ef\u4ee5\u505a\u591a\u5c11\u5957\uff1f
11\u3001\u5c0f\u7ea2\u4e70\u4e86\u7ec3\u4e60\u672c\u548c\u751f\u5b57\u672c\u54043\u672c\uff0c\u4e00\u672c\u7ec3\u4e60\u672c0.36\u5143\uff0c\u4e00\u672c\u751f\u5b57\u672c0.32\u5143\uff0c\u5c0f\u7ea2\u4e70\u751f\u5b57\u672c\u6bd4\u4e70\u7ec3\u4e60\u672c\u5c11\u7528\u591a\u5c11\u5143\uff1f
12\u3001\u540c\u5b66\u62ac\u6c34\u6d47\u6811\u3002\u4e09\u5e74\u7ea7\u6d4745\u68f5\uff0c\u4e09\u5e74\u7ea7\u6bd4\u56db\u5e74\u7ea7\u5c11\u6d4710\u68f5\uff0c\u56db\u5e74\u7ea7\u662f\u4e94\u5e74\u7eaa\u6d47\u7684\u68f5\u6570\u7684\u4e00\u534a\u3002\u4e94\u5e74\u7ea7\u6bd4\u4e09\u5e74\u7eaa\u591a\u6d47\u591a\u5c11\u68f5\uff1f
13\u3001\u4e24\u4e2a\u5de5\u7a0b\u961f\u5408\u5f00\u4e00\u6761\u96a7\u9053\uff0c\u5404\u4ece\u4e00\u7aef\u5f00\u51ff\uff0c\u7b2c\u4e00\u961f\u6bcf\u5929\u5f0012.6\u7c73\uff0c\u7b2c\u4e8c\u961f\u6bcf\u5929\u5f0014.4\u7c73\uff0c\u7b2c\u4e00\u961f\u5f00\u51ff5\u5929\u540e\uff0c\u7b2c\u4e8c\u961f\u624d\u52a0\u5165\uff0c\u518d\u8fc721\u5929\u96a7\u9053\u7ec8\u4e8e\u6253\u901a\u3002
\uff081\uff09\u8fd9\u6761\u96a7\u9053\u957f\u591a\u5c11\u5343\u7c73\uff1f
\uff082\uff09\u6253\u901a\u65f6\u4e24\u961f\u5404\u5f00\u51ff\u4e86\u591a\u5c11\u7c73\uff1f
14\u3001\u5c0f\u6c7d\u8f66\u6bcf\u5c0f\u65f6\u884c63\u5343\u7c73\uff0c\u5c0f\u6c7d\u8f66\u7684\u901f\u5ea6\u662f\u8f7d\u91cd\u6c7d\u8f66\u76841.4\u500d\u3002\u5b83\u4eec\u4ece\u76f8\u8ddd270\u5343\u7c73\u7684\u4e24\u5730\u540c\u65f6\u5f00\u51fa\uff0c\u76f8\u5411\u884c\u9a76\u3002
\uff081\uff09 \u7ecf\u8fc7\u51e0\u5c0f\u65f6\u76f8\u9047\uff1f
\uff082\uff09 \u76f8\u9047\u65f6\u4e24\u8f66\u5404\u884c\u4e86\u591a\u5c11\u5343\u7c73\uff1f
\uff083\uff09 \u5982\u679c\u51fa\u53d1\u65f6\u662f8\u65f615\u5206\uff0c\u76f8\u9047\u65f6\u662f\u51e0\u65f6\u51e0\u5206\uff1f
五年级下册口算题一
五年级下册口算题二
口算在小学数学中占有十分重要的地位，口算不仅能培养学生的逻辑思维能力，还有利于培养学生的记忆力、注意力，提高学习数学兴趣。
口算题技巧
1、口算练习要经常练口算练习一要天天练、课课练。可以在每天回家先安排2～3分钟，口算20～30道题，日积月累才能形成学生的口算能力。
2、要视算、听算结合练。视算有一定的直观性，听算在脑中反映题目与计算过程，两者结合，手、脑、口、眼并用，提高口算能力。
3、要形式多样变化练。要针对儿童特点，形式要多样化，以此激发学生兴趣，调动他们的积极性，并尽量让全体学生参与。
17×40＝ 100－63＝ 3.2＋1.68＝ 2.8×0.4＝
14－7.4＝ 1.92÷0.04＝ 0.32×500＝ 0.65＋4.35＝
10－5.4＝ 4÷20＝ 3.5×200＝ 1.5－0.06＝
0.75÷15＝ 0.4×0.8＝ 4×0.25＝ 0.36＋1.54＝
1.01×99＝ 420÷35＝ 25×12＝ 135÷0.5＝
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17＝ 32.8＋19＝ 5.2÷1.3＝ 1.6×0.4＝
4.9×0.7＝ 1÷5＝ 6÷12＝ 0.87－0.49＝
17×40＝ 100－63＝ 3.2＋1.68＝ 2.8×0.4＝
14－7.4＝ 1.92÷0.04＝ 0.32×500＝ 0.65＋4.35＝
10－5.4＝ 4÷20＝ 3.5×200＝ 1.5－0.06＝
0.75÷15＝ 0.4×0.8＝ 4×0.25＝ 0.36＋1.54＝
1.01×99＝ 420÷35＝ 25×12＝ 135÷0.5＝
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17＝ 32.8＋19＝ 5.2÷1.3＝ 1.6×0.4＝
4.9×0.7＝ 1÷5＝ 6÷12＝ 0.87－0.49＝
17×40＝ 100－63＝ 3.2＋1.68＝ 2.8×0.4＝
14－7.4＝ 1.92÷0.04＝ 0.32×500＝ 0.65＋4.35＝
10－5.4＝ 4÷20＝ 3.5×200＝ 1.5－0.06＝
0.75÷15＝ 0.4×0.8＝ 4×0.25＝ 0.36＋1.54＝
1.01×99＝ 420÷35＝ 25×12＝ 135÷0.5＝
3/4 + 1/4 = 2 + 4/9 = 3 - 2/3 = 3/4 - 1/2=
1/6 + 1/2 -1/6 = 7.5-(2.5+3.8)= 7/8 + 3/8 =
3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 =
0.51÷17＝ 32.8＋19＝ 5.2÷1.3＝ 1.6×0.4＝
640÷80=8
15×5= 75
23×3=69
12×2×5= 120
480÷80=6
16×5=80
27×3= 81
90÷15= 6
48÷4= 12
640÷16= 40
39÷3= 13
24×20= 480
32×3= 96
48÷16= 3
12×8= 96
27×3= 81
56÷14= 4
24÷8= 3
14×2= 28
83－45=38
560÷80= 7
96÷24= 4
40÷20=2
40×30= 1200
37＋26= 63
76－39= 37
605＋59= 664
30×23= 690
12×8= 96
27＋32= 59
48＋27= 75
4500×20= 90000
73＋15 = 88
120×600 = 72000
200×360= 72000
6800×400=2720000
280＋270= 450
4×2500= 10000
6000÷40= 150
5×1280= 6400
4.3＋2.7＝ 7
0.75＋0.25＝ 1
4－0.26＝ 3.74
0.35＋2.7＝ 3.07
4.6－1.9＝ 2.7
0.83－0.3＝ 0.53
3＋0.05＝ 3.05
7.2－3.8＝ 3.4
0.07＋0.6＝ 0.67
1.39－0.39＝ 1
10－5.4＝ 4.6
25.6＋23＝ 48.6
560÷35÷2= 25×4= 254+99=
45×12= 750－570= 50÷7=
57+19= 60÷60= 70×60=
91－28= 58+79+42= 80×5×6=
90－25= 35×35+65×35= 125×80=
44－15= 1800÷90= 125×16=
97+18= 10×24= 45×14=
26+14= 81÷27= 69÷23=
123+259+741+477= 95×46+46×5= 102×34=
749+5036+251= 99×99+99= 614－402=
725－76－24= 125×24= 360÷24=
1036－155－245= 865×99+865= 67×9+67=
655+777+345= 25×9×4×7= 1814-378-422=
398+558+442= 1800÷5÷2= 22×6×5=
870－232－168= 640÷16= 7200÷45÷2=
60-11-40= 79-9×8= 40÷5+82= 5÷5+34=
76+92-40= 9×8×4= 77+79+57= 8+40+18=
96-16÷8= 648÷9÷9= 92-24+67= 4×6×1=
0×14÷2= 90+18÷3= 21÷7-0= 28÷4×4=
4×7+98= 42÷6-4= 70÷10×5= 35÷5+31=
500×9= 7×70= 73+16= 60+300= 10÷5=
83-29= 5×36= 343-57= 21+227= 320÷8=
30÷6= 36×4= 64×8= 500×4= 65×30=
160×8= 420÷6= 400+50= 38+26= 93-8=
170×3= 25×4= 125×8= 350×2= 14×6=
50×90= 17×70= 183-29= 235-160= 320÷8=
83-9= 102×2= 343-57= 21+27= 43-17=
30÷6= 36×4= 64×8= 500×4= 650×3=
160×8= 420÷6= 400+50= 38+26= 293-118=
170×3= 25×4= 125×8= 350×2= 14×6=
640÷80=
15×5=
23×3=
12×2×5=
480÷80=
16×5=
27×3=
90÷15=
48÷4=
640÷16=
39÷3=
24×20=
32×3=
48÷16=
12×8=
27×3=
56÷14=
24÷8=
14×2=
83－45=
560÷80=
96÷24=
40÷20=
40×30=
37＋26=
76－39=
605＋59=
30×23=
12×8=
27＋32=
48＋27=
4500×20=
73＋15 =
120×600 =
200×360=
6800×400=
280＋270=
4×2500=
6000÷40=
5×1280=
310－70=
400×14=
470＋180=
1000÷25=
160×600=
20×420=
290×300=
8100÷300=
7600÷200=
7600÷400=
680＋270=
980÷14=
4200÷30=
6×1300=
1300×50=
200×48=
930－660=
530＋280=
9200÷400=
840÷21=
180×500=
8000÷500 =
1900÷20=
200×160=
8700÷300=
300×330=
3×1400=
7000÷14=
600÷12=
9600÷80=
140×300=
8800÷40=
9600÷800=
750－290=
5×490=
760×20=
7500÷500=
370×200=
650÷13=
8600－4200=
240×4=
640÷80=
15×10=
12×11=
160×30=
220×40=
104×5=
4500÷50=
120×2=
90÷30=
270÷30=
270×30=
84÷21=
76÷9=
66÷7=
100－54=
123＋15=
360÷4=
55÷5=
32×6= 7000÷70＝
200÷40＝
180÷30=
240÷40=
35×2=
140×7=
13×6=
280×3=
350×2=
50×11=
250×6=
7200+900=
410-201=
125×8=
48×20=
6600÷600=
390+140=
11×80=
24×50=
3600÷400= 4000÷50=
530－70=
420－90=
9600÷30=
7×700=
203+98=
1800÷300=
240+570=
4800÷400=
370+580=
580－490=
910－370=
25×8=
270－190=
36×2=
75÷25=
330÷11=
6×800=
5400÷9=
420÷60= 9×800=
3×330=
300×7=
9×500=
390÷13=
6300÷700=
5600÷700=
4800÷12=
3500÷7=
370＋560=
520＋490＝
450－90＝
80＋330＝
70×700＝
7000÷70＝
4000÷80＝
2400÷200＝
420－90＝
170＋320＝
1000－51＝ 520－260＝
910－190＝
35×200＝
22×200＝
8800÷400＝
9300÷300＝
6×300＝
1800÷200＝
32×30= 22×30= 6×201=
17×5= 4×60= 4500÷900=
170+90= 4800÷40= 14×201=
80÷16= 4200÷20= 2500÷50=
16×5= 32×20= 67×4=
2400÷40= 3600÷60= 87÷3=
25×16= 48×9= 696÷3=
125×6= 48×25= 780÷20=
72－45= 360－85= 720÷45÷2=
3000+200= 48×125= 35×8=
80－4= 420÷35÷2= 25×32=
45÷15= 78÷2= 45×12=
6×85= 69÷23= 67+25=
710－420= 50×90= 22×8×5=
12×5= 6300÷30= 690－420=
102+284= 480+290= 930÷30=
23×3= 800×30= 2100÷70=
612÷12= 360+140= 1800÷30=
880÷20= 45×14= 3×90=
32+15= 28×7= 40×60=
32×20= 468+197= 6×80=
4700÷10= 729+302= 45－18=
2400÷20= 25×6×4= 25×28=
15×6= 125×48= 125×16=
15＋22= 102×34= 4500÷45=
25×40= 490÷35÷2= 360÷45÷2=
35×18= 264－198= 2800÷25÷4=
45×22= 521－305= 3500÷25÷2=
25＋40= 5600÷16= 67+28=
35×18= 75×19+75= 41－23=
45×22= 45×6= 375+99=
7000÷70= 45+45= 624－198=
9600÷30= 630÷90= 720÷9÷4=
320×2= 50×50= 33×6×5=
12×40= 26×20= 62+18=
560÷35÷2= 25×4= 254+99=
45×12= 750－570= 50÷7=
57+19= 60÷60= 70×60=
91－28= 58+79+42= 80×5×6=
90－25= 35×35+65×35= 125×80=
44－15= 1800÷90= 125×16=
97+18= 10×24= 45×14=
26+14= 81÷27= 69÷23=
123+259+741+477= 95×46+46×5= 102×34=
749+5036+251= 99×99+99= 614－402=
725－76－24= 125×24= 360÷24=
1036－155－245= 865×99+865= 67×9+67=
655+777+345= 25×9×4×7= 1814-378-422=
398+558+442= 1800÷5÷2= 22×6×5=
870－232－168= 640÷16=7200÷45÷2=
85219388这个人不要脸
绛旓細1銆鍙ｇ畻缁冧範瑕佺粡甯哥粌鍙ｇ畻缁冧範涓瑕佸ぉ澶╃粌銆佽璇剧粌銆傚彲浠ュ湪姣忓ぉ鍥炲鍏堝畨鎺2锝3鍒嗛挓锛屽彛绠20锝30閬撻锛屾棩绉湀绱墠鑳藉舰鎴愬鐢熺殑鍙ｇ畻鑳藉姏銆2銆佽瑙嗙畻銆佸惉绠楃粨鍚堢粌銆傝绠楁湁涓瀹氱殑鐩磋鎬э紝鍚畻鍦ㄨ剳涓弽鏄棰樼洰涓庤绠楄繃绋嬶紝涓よ呯粨鍚堬紝鎵嬨佽剳銆佸彛銆佺溂骞剁敤锛屾彁楂樺彛绠楄兘鍔涖3銆佽褰㈠紡澶氭牱鍙樺寲缁冦傝閽堝鍎跨鐗...
绛旓細(1)2.9 脳 0.5 = 绛旀:1.45 (2)5.9 脳 0.2 = 绛旀:1.18 (3)3.6 脳 7 = 绛旀:25.2 (4)4.3 脳 0.3 = 绛旀:1.29 (5)5.9 脳 9 = 绛旀:53.1 (6)9.4 脳 9 = 绛旀:84.6 (7)7.5 脳 6 = 绛旀:45 (8)1.3 脳 3 = 绛旀:3.9 (9)3.8 脳 7 = 绛旀:26.6 (10)4.7 脳 5 = 绛旀:23.5 (...
绛旓細2銆250梅5脳8=400 3銆6脳5梅2脳4=60 4銆30脳3+8=98 5銆400梅4+20脳5= 200 6銆10+12梅3+20=34 7銆侊紙80梅20+80)梅4=21 8銆70+(100-10脳5)=120 9銆360梅40= 9 10銆40脳20= 800 11銆80-25= 55 12銆70+45=115 13銆90脳2= 180 14銆16脳6= 96 15銆300脳6= 1800...
绛旓細3/10 +1/5 = 4/5 - 7/10 = 2 - 1/6 -1/3 = 0.51梅17= 32.8+19= 5.2梅1.3= 1.6脳0.4= 4.9脳0.7= 1梅5= 6梅12= 0.87-0.49= 17脳40= 100-63= 3.2+1.68= 2.8脳0.4= 14-7.4= 1.92梅0.04= 0.32脳500= 0.65+4.35= 10-5.4= 4梅20= 3.5脳200= 1.5-0.06= 0.75梅15= 0.4脳0.8= 4...
绛旓細32.8梅8锛 1.64梅4锛 300梅60锛 18脳700= 400梅80锛 64梅4锛 360梅20锛 420梅70锛 9脳4锛 540梅90锛 74梅2锛 360梅40锛 270梅30锛 540梅60= 57梅19锛 70梅70锛 400梅50锛 350梅70锛 810梅90锛 430梅5锛 6.6梅1.1锛 7.6梅4锛 1.54梅0.22锛 4800梅200= 1.89梅0....
绛旓細涓轰簡鎻愰珮灏忓鐢熺殑鍙ｇ畻鎶宸у拰鍩烘湰杩愮畻鑳藉姏锛岀紪鍐欎簡杩欏鍙ｇ畻棰鍗° 鏈鍗＄揣鎵ｅ皬瀛︽暟瀛︽暀鏉愶紝棰樺瀷涓庢暀鏉愪腑鍑虹幇鐨勯鍨嬬浉涓鑷淬傚皢璇炬湰鐭ヨ瘑杩涜鍏ㄩ潰鐨勩佺郴缁熺殑浼樺寲璁捐銆佺紪鎺掔粍鍚堬紝璁╁鐢熻兘鏇村ソ鍦板珐鍥哄拰杩愮敤闃舵鎵瀛︾煡璇;鍚屾椂鍙堢壒鍒敞閲嶅瀛︾敓蹇冪畻銆佸阀绠椼侀熺畻绛夎兘鍔涚殑鎻愰珮銆傚皬瀛︾敓鍙鎸夌収瑕佹眰杩涜涓鏃ヤ竴缁冿紝...
绛旓細(58)6.8 脳 5 = 绛旀:34 (59)8.7 脳 0.3 = 绛旀:2.61 (60)5.6 脳 6 = 绛旀:33.6 (61)5.5 脳 0.7 = 绛旀:3.85 (62)9.6 脳 0.3 = 绛旀:2.88 (63)9.6 脳 7 = 绛旀:67.2 (64)8.3 脳 3 = 绛旀:24.9 (65)9.5 脳 0.5 = 绛旀:4.75 (66)5.5 脳 9 = 绛旀:49.5 (67)1.9 脳 9 = ...
绛旓細濡涓鍥撅細鍙ｇ畻鏄竴杈瑰績绠椾竴杈瑰彛璇村湴杩愮畻銆傚彛绠楀氨鏄敤鑴戣绠楋紝鐢ㄥ彛澶村彊杩版潵璁板繂褰撴椂鐨勭粨鏋溿傝繖绉嶆柟娉曠敤浜庨熺畻锛屽父缁冩湁鍔╀簬鏅哄姏鐨勬彁楂樸備篃鎴愪负濡備粖鐨勪富娴佺殑璁＄畻鏂规硶锛屼篃鍙滃績绠椻濄傛暟瀛︽暀瀛︽柟娉曚箣涓銆備竴绉嶅彧鍑濈淮鍙婅瑷娲诲姩涓嶅熶换浣曞伐鍏风殑璁＄畻鏂规硶銆傚畠鑳藉煿鍏诲鐢熷揩閫熺殑璁＄畻锛屽彂灞曞鐢熺殑娉ㄦ剰銆佽蹇嗗拰鎬濈淮鑳藉姏...
绛旓細鏈汉鐜板湪鎬ラ渶瑕佸皬瀛浜斿勾绾т笅鍐(浜烘暀鐗)鐨鍙ｇ畻棰!!涓澶╁氨瑕!鍒嗘暟璁＄畻涔熻,浣嗗垎鏁颁笉鑳界敤涔樻硶鎴栭櫎娉曘傝繕瑕佽劚寮忚绠,绠渚胯绠!涓嶈澶毦銆傛渶閲嶈鐨勫氨鏄濂界瓟妗,涓嶇劧鎴戠粰瀛︾敓鍋氬氨... 鏈汉鐜板湪鎬ラ渶瑕佸皬瀛︿簲骞寸骇涓嬪唽(浜烘暀鐗)鐨勫彛绠楅!!涓澶╁氨瑕!鍒嗘暟璁＄畻涔熻,浣嗗垎鏁颁笉鑳界敤涔樻硶鎴栭櫎娉曘傝繕瑕佽劚寮忚绠,绠渚胯绠!涓嶈...
绛旓細6.10+12梅3+20=34 7.(80梅20+80)梅4=21 8.70+(100-10脳5)=120 9.360梅40= 9 10.40脳20= 800 11.80-25= 55 12.70+45=115 13.90脳2= 180 14.16脳6= 96 15.300脳6= 1800 16.540梅9=60 17.30脳20= 600 18.400梅4= 100 19.350-80= 270 20.160+70=230 21.18...
