五年级口算题300道 300道五年级小数口算题。（带答案）

\u4e94\u5e74\u7ea7\u4e0b\u518c\uff0c300\u9053\u53e3\u7b97\u9898\u53ca\u7b54\u6848

17\u00d740\uff1d680,100\uff0d63\uff1d37,3.2\uff0b1.68\uff1d4.88,2.8\u00d70.4\uff1d1.1214\uff0d7.4\uff1d6.6,1.92\u00f70.04\uff1d48,0.32\u00d7500\uff1d160,0.65\uff0b4.35\uff1d510\uff0d5.4\uff1d4.6,4\u00f720\uff1d0.2,3.5\u00d7200\uff1d700,1.5\uff0d0.06\uff1d1.440.75\u00f715\uff1d0.05,0.4\u00d70.8\uff1d0.32,4\u00d70.25\uff1d1,0.36\uff0b1.54\uff1d21.01\u00d799\uff1d99.99,420\u00f735\uff1d12,25\u00d712\uff1d300,135\u00f70.5\uff1d2703/4+1/4=1,2+4/9=22/9,3-2/3=7/3,3/4-1/2=1/41/6+1/2-1/6=1/2,7.5-(2.5+3.8)=1.2,7/8+3/8=5/43/10+1/5=1/2,4/5-7/10=1/10,2-1/6-1/3=1.50.51\u00f717\uff1d0.03,32.8\uff0b19\uff1d51.8,5.2\u00f71.3\uff1d4,1.6\u00d70.4\uff1d0.644.9\u00d70.7\uff1d3.43,1\u00f75\uff1d0.2,6\u00f712\uff1d0.5,0.87\uff0d0.49\uff1d0.381.(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+24.25*4/25*45.7.26-(5.26-1.5)6.286+1987.314-2028.526+3019.223-9910.6.25+3.85-2.125+3.87511.9-2456*2112.0.5/11.5-4*2.7513.1/2\u00d73/514.3.375+5.75+2.25+6.62515.1001\uff0d9036\u00f71816.3.8\u00d75.25+14.517.2.1*4.3+5.7*2.118.30\u00d71/319.102*45-32820.2/3\u00d71221.2.8*3.1+17.6/822.3/5\u00d75/623.(50-12.5)/2.524.2/5\u00d71/325.6110*47+63926.1/2-1/627.3.5*2.7-52.2/1828.1/7\u00d71/529.3.375*0.97+0.97*6.62530.25\u00d74/531.6.54+2.4+3.46+0.632.5/6-1/233.95.6*1.8+95.6*8.234.1/2\u00d71/535.600-420/1236.344/3.6-5.4*0.2537.16/2+30/2+90/638.3001-1998.39.5000-105*3440.0.15/0.25+0.75*1.241.(1/2+1/3+1/4)*0.2442.(25+4)*443.300-4263/2144.0.81/0.25+5.9645.403\u00f713\u00d72746.1.5\u00d74.2\uff0d0.75\u00f70.2547.3.27\u00d74+3.27\u00d75.748.\uff081.2+1.8\uff09\u00d74.51025\uff0d768\u00f73249.0.25\u00d780\uff0d0.45\u00f70.950.1025\uff0d768\u00f73251.0.25*2.69*452.2348+275*1653.2/9*15/8-1/12*9/554.2.4+2.4*(5.375-3.375)55.645-45*1256.0.15+1.2/0.24-0.4557.3.75-(2.35+0.25/1.25)58.76*1/4+23*25/100+0.2559.10-2.87-7.1360.0.96+9.6*9.961.7.5-5.7*1/362.12.37-3.25-6.7563.16*6.8+2.2*16+1664.401*19+28465.58.7-16.65/3.766.0.4*4.7*2.5+(2.3+5.3)67.9.31-1.125-7.87568.640+128*4569.8.2*1.6-0.336/4.270.400*(0.62+0.08)2/1*2=13/1*3=13/2*3=23/1*6=24/3*8=65/3*20=127/3*14=68/7*40=354/3*16=129/5*27=152/1*30=1512/7*24=1430/1*30=151/9*102=1819/9*76=364/9*8=185/8*90=14499/98*99=983/14*6=287/1*28=410/1*90=95/3*105=6319/7*38=145/1*25=58/19*16=3861/60*122=1207/2*28=86/1*48=89/7*18=1425/7*100=289/5*81=458/9*16=18123+25=148123-35=8856\u00d77=392135\u00f75=27248+89=337146-23=123155\u00d75=775456-12=38456+45=501546-457=8945\u00d710=451564-12=47879+54=933896-546=35056\u00d712=672.45-5=9457+456=913\u8131\u5f0f\u8ba1\u7b9730.8\u00f7[14\uff0d(9.85\uff0b1.07)][60\uff0d(9.5\uff0b28.9)]\u00f70.182.881\u00f70.43\uff0d0.24\u00d73.520\u00d7[(2.44\uff0d1.8)\u00f70.4\uff0b0.15]28-(3.4+1.25\u00d72.4)2.55\u00d77.1+2.45\u00d77.1777\u00d79+1111\u00d730.8\u00d7\u301415.5-(3.21+5.79)\u3015\uff0831.8+3.2\u00d74\uff09\u00f7531.5\u00d74\u00f7(6+3)0.64\u00d725\u00d77.8+2.22\u00f72.5+2.5\u00f72194\uff0d64.8\u00f71.8\u00d70.936.72\u00f74.25\u00d79.95180\uff0d705\u00d7624\u00f72.4\uff0d2.5\u00d70.8(4121+2389)\u00f77671\u00d715-974469\u00d712+1492405\u00d7(3213-3189)3.416\u00f7\uff080.016\u00d735\uff090.8\u00d7[(10\uff0d6.76)\u00f71.2]19.4\u00d76.1\u00d72.35.67\u00d70.2-0.6218.1\u00d70.92+3.930.0430.24+0.8750.4\u00d70.7\u00d70.250.75\u00d7102100-56.230.78+5.436+14.07\u00d70.86+9.12.530.8\u00f7[14\uff0d(9.85\uff0b1.07)][60\uff0d(9.5\uff0b28.9)]\u00f70.182.881\u00f70.43\uff0d0.24\u00d73.520\u00d7[(2.44\uff0d1.8)\u00f70.4\uff0b0.15]28-(3.4+1.25\u00d72.4)2.55\u00d77.1+2.45\u00d77.1777\u00d79+1111\u00d730.8\u00d7\u301415.5-(3.21+5.79)\u3015\uff0831.8+3.2\u00d74\uff09\u00f7531.5\u00d74\u00f7(6+3)0.64\u00d725\u00d77.8+2.22\u00f72.5+2.5\u00f72194\uff0d64.8\u00f71.8\u00d70.936.72\u00f74.25\u00d79.95180\uff0d705\u00d7624\u00f72.4\uff0d2.5\u00d70.8(4121+2389)\u00f77671\u00d715-974469\u00d712+1492405\u00d7(3213-3189)3.416\u00f7\uff080.016\u00d735\uff090.8\u00d7[(10\uff0d6.76)\u00f71.2]19.4\u00d76.1\u00d72.35.67\u00d70.2-0.6218.1\u00d70.92+3.930.0430.24+0.8750.4\u00d70.7\u00d70.250.75\u00d7102100-56.230.78+5.436+14.07\u00d70.86+9.12.5\u7b80\u7b97\u662f\u4e58\u53f7/\u662f\u9664\u53f70.3*2.5*0.450*0.13*0.20.8*630*0.1250.78*1011.5*1029.8*251.2*2.5+0.8*2.51.25*0.7*0.80.038*5*2.13.8+4.5+6.293/0.31/33.25\uff0d0.84-0.1688*0.25*42.8*3.6+1.4*2.863*10.1\uff083.2+0.128\uff09/0.89.83*1.5+6.17*1.510.1*87312*4+188*40.135*500*0.26.3+0.84+3.7+8.1618.75-0.43-4.570.25*0.03*413.7*0.25*82.65*1.7+1.35*1.732.8+5.6+7.2\uff082.5+0.25\uff09*0.48*\uff082.5*0.25\uff098.4*0.2+1.6*0.21.25*0.8*0.5\uff081.5+0.25\uff09*0.41.2*0.4+1.3*0.4\u65b9\u7a0b9+6x=14x+9x=4+72x+9=178-4x=66x-7=127x-9=8x-56=18-7x=1x-30=126x-21=216x-3=69x=184x-18=135x+9=116-2x=11x+4+8=237x-12=8X-5.7=2.15155X-2X=183X0.7=5x\uff0b13\uff1d333\uff0d5x\uff1d801.8+6x\uff1d546.7x\uff0d60.3\uff1d6.79\uff0b4x\uff1d402x+8=163.5\u00d72=4.2x26\u00d71.5=2x0.5\u00d716\u201516\u00d70.2=4x9.25\uff0dX=0.40316.9\u00f7X=0.3X\u00f70.5=2.63\uff0d5x\uff1d801.8-6x\uff1d546.7x\uff0d60.3\uff1d6.79\uff0b4x\uff1d400.2x\uff0d0.4\uff0b0.5\uff1d3.79.4x\uff0d0.4x\uff1d16.212\uff0d4x\uff1d201/3x\uff0b5/6x\uff1d1.412x\uff0b34x=118x\uff0d14x=1223x\uff0d5\u00d714=1412\uff0b34x=5622\uff0d14x=1223x-14x=14x\uff0b14x=6523x=14x\uff0b1430x12x\uff0d14x=1x-0.7x=3.6

\uff081\uff096.7 \u00d7 10 =
\uff082\uff098.7 \u00d7 40 =
\uff083\uff091.2 \u00d7 50 =
\uff084\uff094.9 \u00d7 500 =
\uff085\uff095.7 \u00d7 50 =
\uff086\uff098.5 \u00d7 20 =
\uff087\uff090.8 \u00d7 60 =
\uff088\uff091.7 \u00d7 60 =
\uff089\uff098.2 \u00d7 500 =
\uff0810\uff095 \u00d7 60 =
\uff0811\uff095.7 \u00d7 90 =
\uff0812\uff096.3 \u00d7 200 =
\uff0813\uff090.3 \u00d7 50 =
\uff0814\uff095.3 \u00d7 400 =
\uff0815\uff099.9 \u00d7 80 =

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＝
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＝
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＝
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＝
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＝
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＝
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＝
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＝
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＝
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＝
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＝
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＝
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＝
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＝
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＝
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＝
我可没本事！

童鞋，练练口算吧，以后做生意挣大钱全靠这个本事。

可以用计算器。

你疯了

可以用计算器。

姹:灏忓浜斿勾绾у彛绠楅(瓒婂瓒婂ソ)璋㈣阿
绛旓細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/...

浜斿勾绾涓嬪唽鍙ｇ畻棰1000閬
绛旓細濡備笅鍥撅細鍙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銆

浜斿勾绾у彛绠鍒嗘暟棰樻湁鍝簺?
绛旓細浜斿勾绾鍒嗘暟鍔犲噺娉鍙ｇ畻棰150閬擄細1銆1/2+1/3=5/6 2銆1/2+2/3=7/6 3銆1/3+1/4=7/12 4銆1/3+3/4=13/12 5銆1/4+1/5=9/20 6銆1/4+4/5=21/20 7銆3/4+1/5=4/5 8銆3/4-1/5=11/20 9銆5/6+2/9=19/18 10銆5/6-2/9=11/18 11銆2/3+3/5=19/15 12銆...

浜斿勾绾у彛绠楅
绛旓細49脳102锛2脳49 125脳76脳8 8.33锛2.43锛4.57 103脳32 6.7锛 2.63锛4.3 41000梅8梅125 5824梅8脳锛85锛78锛 840梅28锛70脳18 40涔13涔25 480闄や互32 120闄や互5闄や互4 38涔201 45涔97-7涔45 21涔41鍑21 35涔22鍔35涔36+35涔22 44涔198 125涔25涔8涔40...

浜斿勾绾у彛绠楅300閬
绛旓細浜斿勾绾у彛绠楅300閬 20 瑕佺瓟妗... 瑕佺瓟妗 灞曞紑  鎴戞潵绛 5涓洖绛 #鐑# 璇ヤ笉璇ヨ瀛╁瓙寰堟棭瀛︿範浜烘儏涓栨晠? 鍖垮悕鐢ㄦ埛 2011-08-28 灞曞紑鍏ㄩ儴 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...

浜斿勾绾у彛绠楅
绛旓細43.300-4263/21 44.0.81/0.25+5.96 45.403梅13脳27 46.1.5脳4.2锛0.75梅0.25 47.3.27脳4 +3.27脳5.7 48.锛1.2+ 1.8锛壝4.51025锛768梅32 49.0.25脳80锛0.45梅0.9 50.1025锛768梅32 51.0.25*2.69*4 52.2348+275*16 53.2/9*15/8-1/12*9/5 54.2.4...

璋佹湁浜斿勾绾300閬鐨勫垎鏁版垨鐧惧垎鏁板拰灏忔暟鐨鍙ｇ畻棰銆傚姞鍑忎箻闄ら兘鍙互, 璋佽繕 ...
绛旓細鎴戞湁浜斿勾绾鐨鍙ｇ畻棰 1.45+15脳6= 135 2.250梅5脳8=400 3.6脳5梅2脳4=60 4.30脳3+8=98 5.400梅4+20脳5= 200 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....

浜斿勾绾涓婂唽鍙ｇ畻400棰(绠鍗曚簺,涔熶笉瑕佸お绠鍗)
绛旓細42.220+80= 300 43.20脳8脳5= 800 44.600-3脳200=0 45.20+20梅2= 30 46.35-25梅5= 30 47.36+8-40= 4 48.2800梅40=70 49.98梅14 = 7 50.96梅24 = 4 51.56梅14 =4 52.65梅13 = 5 53.75梅15 = 5 54.120梅24 =5 55.200梅25 = 8 56.800梅16 = 50 57....

灏忓浜斿勾绾у彛绠楅,瑕佺瓟妗,绔栧垪 濡 1+1=2 1+3=4 1+2=3 1+5=6 1+2=3
绛旓細43.300-4263/21 44.0.81/0.25+5.96 45.403梅13脳27 46.1.5脳4.2锛0.75梅0.25 47.3.27脳4 +3.27脳5.7 48.锛1.2+ 1.8锛壝4.51025锛768梅32 49.0.25脳80锛0.45梅0.9 50.1025锛768梅32 51.0.25*2.69*4 52.2348+275*16 53.2/9*15/8-1/12*9/5 54.2.4...

灏忓浜斿勾绾鏁板鍙ｇ畻棰
绛旓細1.01脳99=99.99, 420梅35=12, 25脳12=300, 135梅0.5=270 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...

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