四年级数学下册小数加减法练习题3000道 四年级小数加减法练习题
\u56db\u5e74\u7ea7\u6570\u5b66\u4e0b\u518c\u5c0f\u6570\u52a0\u51cf\u6cd5\u7ec3\u4e60\u98983000\u9053\u4f60\u597d\uff1a
1\u3001\u53e3\u7b97 2.5+0.9 = 3.6+4.9 = 5.6 4.8 = 31.6= 3.06+ 4.4 = 8.8 +4.5= 5.2 + 4.8 = 32.9=
2\u3001\u8ba1\u7b97\u4e0b\u9762\u5404\u9898\u5e76\u4e14\u9a8c\u7b97 3.64\uff0b1.48 22.32 \uff0b12.59 7.85 \uff0b1 1\u3001\u53e3\u7b97 2.5 + 0.9 = 3.6 + 4.9 = 5.6 \u2014 4.8 = 3\u20141.6= 3.06 + 4.4 = 8.8 + 4.5= 5.2 + 4.8 = 3\u20142.9= 2\u3001\u8ba1\u7b97\u4e0b\u9762\u5404\u9898\u5e76\u4e14\u9a8c\u7b97 3.64\uff0b1.48 22.32\uff0b12.59 7.85\uff0b13.6 65\uff0b6.35 8.24\uff0d7.58 10.21\uff0d5.59 32\uff0d14.57 48\uff0d0.26 3\u3001\u7528\u5c0f\u6570\u8ba1\u7b97\u4e0b\u9762\u5404\u9898 5 \u51436\u89d23\u5206\uff0b\u4e09\u5143\u96f6\u4e5d\u5206 1\u542830\u5343\u514b\uff0b980\u5343\u514b 4\u7c7335\u5398\u7c73\uff0b5\u7c7370\u5398\u7c73 10\u5343\u514b\uff0b4\u5343\u514b800\u514b 4\u5343\u7c73800\u7c73\uff0d 3\u5343\u7c7350\u7c73 6\u5343\u7c73\uff0d4\u5343\u7c73860\u7c73(\u8d23\u4efb\u7f16\u8f91\uff1a\u98ce)\u4e00\u3001\u53e3\u7b97\u30022.1+0.2= 0.3+0.7= 3.6+1.6= 7.5-0.5= 3.7-0.9= 2.13-0.02= 3.51+0.2= 102+0.3= 1.12-1.02= 4.5-0.01= \u4e8c\u3001\u706b\u773c\u91d1\u775b\u8fa9\u5bf9\u9519\uff0c\u5e76\u4e14\u6539\u6b63\u3002\uff081\uff0912.45\uff0d1.35\uff0d0.65 \uff082\uff0921.32\uff0d\uff086.32+8.3\uff09=21.32\uff0d6.32+8.3 =12.45\uff0d\uff081.35+0.65\uff09 =15+8.3 =12.45\uff0d2 =23.3 \uff08 \uff09 =10.45 \uff08 \uff09 \u4e09\u3001\u7528\u7b80\u4fbf\u65b9\u6cd5\u8ba1\u7b97\u3002(1)27.3+73.2+72.7 (2) 585+189+215 (3) 5.85\uff0d1.75\uff0d0.25 (4)768\uff0d274\uff0d126 (5) 5.85+1.89+2.15 (6)24.8+14.6+15.4 (7)42.5\uff0d22.17\uff0d7.83 (8)3.8+1.37+6.2+12.63 \u56db\u3001\u706b\u773c\u91d1\u775b\u8fa9\u5bf9\u9519\u3002\uff081\uff09\u6574\u6570\u52a0\u6cd5\u4ea4\u6362\u5f8b\u3001\u7ed3\u5408\u5f8b\u5bf9\u5c0f\u6570\u540c\u6837\u9002\u7528----------------\uff08 \uff09\uff082\uff094.72+0.1\uff0d4.72+0.1=0 -----------------------------( \uff09\uff083\uff09\u8ba1\u7b97\u5c0f\u6570\u52a0\u51cf\u6cd5\uff0c\u5f97\u6570\u7684\u5c0f\u6570\u90e8\u5206\u67090\u7684\u8981\u628a0\u53bb\u6389 ------\uff08 \uff09\uff084\uff09\u5c0f\u6570\u52a0\u51cf\u6cd5\u6df7\u5408\u8fd0\u7b97\u4e00\u5b9a\u8981\u5148\u7b97\u52a0\u6cd5\uff0c\u540e\u7b97\u51cf\u6cd5-----------\uff08 \uff09\u4e94\u3001\u89e3\u51b3\u95ee\u9898\u30021\u3001\u67d0\u5929\u65e9\u4e0a\u6c14\u6e29\u662f6.5\u2103\uff0c\u4e2d\u5348\u6c14\u6e29\u6bd4\u65e9\u4e0a\u5347\u9ad8\u4e863.1\u2103\uff0c\u665a\u4e0a\u6bd4\u4e2d\u5348\u964d\u4f4e\u4e864.5\u2103\uff0c\u8bf7\u95ee\u8fd9\u5929\u665a\u4e0a\u7684\u6c14\u6e29\u662f\u591a\u5c11\uff1f 2\u3001\u5988\u5988\u4e70\u6c34\u679c\u82b1\u4e865.8\u5143\uff0c\u4e70\u852c\u83dc\u82b1\u4e862.6\u5143\uff0c\u4e70\u9c7c\u82b1\u7684\u94b1\u6bd4\u6c34\u679c\u548c\u852c\u83dc\u7684\u603b\u548c\u8fd8\u591a5.2\u5143\uff0c\u4e70\u9c7c\u82b1\u4e86\u591a\u5c11\u94b1\uff1f 3\u3001\u524d\u697c\u4e2d\u5fc3\u5c0f\u5b66\u7684\u540c\u5b66\u5229\u7528\u5468\u65e5\u91c7\u96c6\u6811\u79cd\uff0c\u7b2c\u4e00\u5468\u91c7\u96c62.8\u5343\u514b\uff0c\u7b2c\u4e8c\u5468\u91c7\u96c6\u6bd4\u7b2c\u4e00\u5468\u7684\u5c110.13\u5343\u514b\uff0c\u4e24\u5468\u4e00\u5171\u91c7\u96c6\u4e86\u591a\u5c11\u5343\u514b\uff1f 4\u3001\u5c0f\u660e\u7238\u7238\u4e70\u4e86\u4e00\u74f6\u8272\u62c9\u6cb9\uff0c\u8fde\u74f6\u5171\u91cd3.4\u5343\u514b\uff0c\u7528\u53bb\u4e00\u534a\u6cb9\u540e\u8fde\u74f6\u91cd1.9\u5343\u514b\uff0c\u4f60\u77e5\u9053\u8fd9\u74f6\u6cb9\u539f\u6765\u6709\u591a\u5c11\u5343\u514b\uff1f\u74f6\u6709\u591a\u91cd\uff1f 5\u3001\u5c0f\u82b3\u53bb\u4e66\u5e97\u4e70\u4e66\uff0c\u4ed8\u4e8630\u5143\uff0c\u627e\u56de\u4e8626.4\u5143\uff0c\u5c0f\u82b3\u53d1\u73b0\u552e\u8d27\u5458\u591a\u627e\u7ed9\u4e86\u597921.8\u5143\uff0c\u95ee\u552e\u8d27\u5458\u5b9e\u9645\u5e94\u8be5\u627e\u7ed9\u5c0f\u82b3\u591a\u5c11\u94b1\uff1f\u8fd9\u672c\u4e66\u7684\u4ef7\u94b1\u662f\u591a\u5c11\uff1f 6\u3001\u524d\u697c\u4e2d\u5fc3\u5c0f\u5b66\u56db\u5e74\u7ea7\u7537\u5b50\u5e73\u5747\u8eab\u9ad8122.8\u5398\u7c73\uff0c\u4e09\u5e74\u7ea7\u7537\u5b50\u5e73\u5747\u8eab\u9ad8\u6bd4\u56db\u5e74\u7ea7\u77ee14.2\u5398\u7c73\uff0c\u5434\u6d69\u7136\u662f\u4e09\u5e74\u7ea7\u4e8c\u73ed\u7684\u4e00\u540d\u7537\u540c\u5b66\uff0c\u4ed6\u7684\u8eab\u9ad8\u662f1.26\u7c73\uff0c\u95ee\u5434\u6d69\u7136\u6bd4\u4e09\u5e74\u7ea7\u7537\u5b50\u5e73\u5747\u8eab\u9ad8\u9ad8\u591a\u5c11\uff1f
5+1= 5+7= 5+9= 9+8= 4+6=
3+1= 3+7= 7+4= 1+8= 3+5=
3+6= 6+7= 6+3= 6+5= 5+9=
6+3= 8+2= 5+4= 9+5= 2+6=
5+2= 3+9= 5+5= 8+2= 5+9=
4+8= 6+1= 9+3= 9+8= 8+3=
7+2= 1+9= 8+4= 2+4= 4+5=
3+4= 9+9= 4+8= 9+3= 9+9=
8+9= 5+2= 5+5= 2+8= 8+4=
9+2= 7+1= 2+6= 6+9= 1+8=
2+5= 5+5= 7+8= 6+5= 3+5=
2+8= 4+5= 1+4= 9+8= 1+2=
1+3= 7+8= 7+5= 1+2= 6+4=
3+5= 9+2= 4+1= 3+7= 1+9=
2+9= 9+5= 5+9= 5+7= 3+1=
2+6= 4+9= 2+1= 2+3= 7+7=
1+3= 8+9= 2+8= 3+2= 2+4=
7+9= 6+4= 8+9= 7+6= 9+5=
4+3= 6+2= 3+6= 8+6= 4+3=
3+9= 7+4= 4+4= 7+1= 7+1=
8+5= 5+9= 6+9= 5+5= 4+7=
8+8= 2+9= 7+1= 2+7= 8+5=
4+4= 3+8= 4+4= 8+5= 4+9=
4+1= 2+2= 7+2= 4+5= 8+4=
4+6= 9+7= 1+9= 5+3= 2+9=
5+2= 3+4= 5+5= 1+7= 6+1=
6+6= 9+8= 2+3= 7+8= 5+8=
9+3= 3+1= 6+3= 9+9= 1+2=
3+2= 9+3= 3+1= 7+5= 8+4=
3+2= 6+9= 8+7= 7+8= 8+3=
\u8865\u5145\uff1a280 \uff0b 650 \u00f7 13 1000 \uff0d\uff08280 \uff0b 650 \u00f7 13\uff09
707 \uff0d 35 \u00d7 20 \uff08120 \uff0d 103\uff09\u00d7 50
760 \u00f7 10 \u00f7 38 \uff0895 \uff0d 19 \u00d7 5 \uff09\u00f774
45 \u00d7 20 \u00d7 3 \uff08270 \uff0b 180\uff09\u00f7\uff0830 \uff0d 15\uff09
31. 50\uff0b160\u00f740 \uff0858+370\uff09\u00f7\uff0864-45\uff09
32. 120-144\u00f718+35
33. 347+45\u00d72-4160\u00f752
34 \uff0858+37\uff09\u00f7\uff0864-9\u00d75\uff09
35 .95\u00f7\uff0864-45\uff09
36. 178-145\u00f75\u00d76+42 420+580-64\u00d721\u00f728
37. 812-700\u00f7\uff089+31\u00d711\uff09 \uff08136+64\uff09\u00d7\uff0865-345\u00f723\uff09
38. 85+14\u00d7\uff0814+208\u00f726\uff09
39. \uff08284+16\uff09\u00d7\uff08512-8208\u00f718\uff09
40 .120-36\u00d74\u00f718+35
41. \uff0858+37\uff09\u00f7\uff0864-9\u00d75\uff09
42 .(6.8-6.8\u00d70.55)\u00f78.5
43. 0.12\u00d7 4.8\u00f70.12\u00d74.8
44. \uff083.2\u00d71.5+2.5\uff09\u00f71.6 3.2\u00d7\uff081.5+2.5\uff09\u00f71.6\u8865\u5145\uff1a48.10.15-10.75\u00d70.4-5.7
49.5.8\u00d7\uff083.87-0.13\uff09+4.2\u00d73.74
50.32.52-\uff086+9.728\u00f73.2\uff09\u00d72.5
2356\uff0d\uff081356\uff0d721\uff09 1235\uff0d\uff081780\uff0d1665\uff09 75\u00d727+19\u00d72 5
31.50\uff0b160\u00f740 \uff0858+370\uff09\u00f7\uff0864-45\uff09
32.120-144\u00f718+35
33.347+45\u00d72-4160\u00f752
34\uff0858+37\uff09\u00f7\uff0864-9\u00d75\uff09
35.95\u00f7\uff0864-45\uff09
36.178-145\u00f75\u00d76+42 420+580-64\u00d721\u00f728
37.812-700\u00f7\uff089+31\u00d711\uff09 \uff08136+64\uff09\u00d7\uff0865-345\u00f723\uff09
38.85+14\u00d7\uff0814+208\u00f726\uff09
39.\uff08284+16\uff09\u00d7\uff08512-8208\u00f718\uff09
40.120-36\u00d74\u00f718+35
41.\uff0858+37\uff09\u00f7\uff0864-9\u00d75\uff09\u8865\u5145\uff1a\u4e09\u3001\u6bd4\u4e00\u6bd4\uff0c\u7b97\u4e00\u7b97\uff1a
49 \uff0b 17 \uff0d 25 240 \u00f7 40 \u00d7 5 300 \uff0d 50 \u00d7 2
49 \uff0d \uff0817 \uff0b 25\uff09 240 \uff0b 40 \u00d7 5 300 \uff0d 50 \u00d7 20 \u00d7 0
\u56db\u3001\u8131\u5f0f\u8ba1\u7b97\uff1a
121 \uff0d 111 \u00f7 37 \uff08121 \uff0d 111 \u00f7 37\uff09\u00d7 5
640\u00f780=
15\u00d75=
23\u00d73=
12\u00d72\u00d75=
480\u00f780=
16\u00d75=
27\u00d73=
90\u00f715=
48\u00f74=
640\u00f716=
39\u00f73=
24\u00d720=
32\u00d73=
48\u00f716=
12\u00d78=
27\u00d73=
56\u00f714=\u8865\u5145\uff1a24\u00f78=
14\u00d72=
83\uff0d45=
560\u00f780=
96\u00f724=
40\u00f720=
40\u00d730=
37\uff0b26=
76\uff0d39=
605\uff0b59=
30\u00d723=
12\u00d78=
27\uff0b32=
48\uff0b27=
4500\u00d720=
73\uff0b15 =
120\u00d7600 =
200\u00d7360=
6800\u00d7400=
280\uff0b270=
4\u00d72500=
6000\u00f740=
5\u00d71280=
4.3\uff0b2.7\uff1d
0.75\uff0b0.25\uff1d
4\uff0d0.26\uff1d
0.35\uff0b2.7\uff1d
4.6\uff0d1.9\uff1d
0.83\uff0d0.3\uff1d
3\uff0b0.05\uff1d
7.2\uff0d3.8\uff1d
0.07\uff0b0.6\uff1d
26-12+24=
22+35+29=
57-38+15=
80-12-14=
32-27+86=
36+27-48=\u8865\u5145\uff1a65+35-34=
72-35+26=
86-37+20=
54-13+37=
39-20+77=
10+56\uff0d30=
12+6+50=
66-10=
13+51=
82+5=
75-22=
79+14=
80-4=
69-18=
84-20=
91-71=
89+0=
11+71=
10+75=
36+62=
73-45=
64-46=
90-60=
73-20=
93-81=
19+44=
55-48=
72+21=
50+24=
86-76=
65+35=
76+15=
13+18=
26+21=
100-87=
84-82=
27+18=\u8865\u5145\uff1a61+34=
47-6=
47+32=
72-35=
88-31=
94+0=
24-12=
52+20=
75-34=
75-57=
42+45=
74-17=
67+22=
71+23=
76-35=
58-50=
49+26=
89-46=
13+64=
48+43=
51+36=
59-39=
17+50=
55-10=
18+82=
11+85=
37+97=
75-51=
68-47=
91-61=
74-29=
94-83=
20+59=
60-50=
73+79=
52+54=
87-78=
67+99=
77+67=
14+29=
27+36=
88+11=
86-84=
28+33=
62+88=
48-17=
56+16=
48+66=
35+13=\u8865\u5145\uff1a75-36=
90-32=
95+12=
32-13=
53+48=
78-36=
78-58=
43+80=
75-26=
68+71=
74\u00d712+26\u00d712
295+198 810\u00f727 2.5+3.2
315-198 213\u00f73 9.8-4.8
99+232 76+24 1.29-0.18
543-306 67-48 2.37+0.9
227+173 50\u00d760 9+0.1
175-35 125\u00f75 8-0.72
436+208 112+88 0.25+0.75
621-199 250-28 1.2-0.8
45+65+55 180\u00d73 12.3+0.7
157-48-57 12\u00d74+13\u00d74 2.4-1.8
62+160+38 48\u00d750 1.34+0.22\u8fd8\u8981\u5417\uff1f\u8865\u5145\uff1a200\u00d730\uff1d
42\u00d74\uff1d
63\uff0d7\uff1d
230\u00d720\uff1d
130\u00d73\uff1d
60\u00d750\uff1d
150\u00f73\uff1d
260\u00d72\uff1d
75\uff0d26\uff1d
21\u00d740\uff1d
35\u00d720\uff1d
15\u00d780\uff1d
300\u00d76\uff1d
15\u00d78\uff1d
23\u00d730\uff1d
51\u00f73\uff1d
60\u00f760\uff1d
80\u00f75\uff1d
240\u00f780\uff1d
100\u00f750\uff1d
1200\u00f720\uff1d
250\u00f750\uff1d
270\u00f790\uff1d
50\u00f710\uff1d
360\u00f740\uff1d
500\u00f750\uff1d
280\u00f770\uff1d
34\u00d72\uff1d
15\u00d75\uff1d
490\u00f770\uff1d
21\u00d73\uff1d
15\u00d76\uff1d
120\u00f760\uff1d
25\u00d74\uff1d
14\u00d75\uff1d
480\u00f780\uff1d
30\u00d760\uff1d
1800\u00f760\uff1d
25\u00d740\uff1d
1800\u00f790\uff1d
5\u00d717\uff1d
48\u00f73\uff1d
90\u00d76\uff1d
1400\u00d75\uff1d
12\u00d78\uff1d
92\u00f72\uff1d
150\u00d74\uff1d
560\u00f780\uff1d
72\u00f724\uff1d
3200\u00d72\uff1d
24\u00d720\uff1d
70\u00f714\uff1d
28\u00d73\uff1d
6\u00d713\uff1d
650\u00f75\uff1d
900\u00f76\uff1d
10\u00d747\uff1d
91\u00f713\uff1d
450\u00f750\uff1d
12\u00d720\uff1d
18\u00d72\uff1d
84\u00f73\uff1d
1900\u00d75\uff1d
720\u00f74\uff1d
50\u00d770\uff1d
480\u00f780\uff1d
26\u00d730\uff1d
93\u00f731\uff1d
18\u00d74\uff1d
74\u00f737\uff1d
210\u00f730\uff1d
36\u00d720\uff1d
4\u00d7250\uff1d
120\u00f720\uff1d
160\u00d72\uff1d
480\u00f72\uff1d
50\u00d760\uff1d
48\u00f74\uff1d
76\u00f719\uff1d
18\u00d73\uff1d
6\u00d7800\uff1d
110\u00d78\uff1d
250\u00f750\uff1d
130\u00d75\uff1d
400\u00f78\uff1d
420\u00f73\uff1d
90\uff0d15\uff1d
3\u00d724\uff1d
92\u00f746\uff1d
48\uff0b16\uff1d
11\u00d740\uff1d
360\u00f760\uff1d
76\u00f719\uff1d
18\u00d73\uff1d
6\u00d7800\uff1d
110\u00d78\uff1d
250\u00f750\uff1d
130\u00d75\uff1d
400\u00f78\uff1d
420\u00f73\uff1d
3200\u00d72\uff1d
24\u00d720\uff1d
70\u00f714\uff1d
28\u00d73\uff1d
6\u00d713\uff1d
650\u00f75\uff1d
900\u00f76\uff1d
10\u00d747\uff1d
91\u00f713\uff1d
450\u00f750\uff1d
12\u00d720\uff1d
18\u00d72\uff1d
84\u00f73\uff1d
1900\u00d75\uff1d
720\u00f74\uff1d
50\u00d770\uff1d
480\u00f780\uff1d
26\u00d730\uff1d
93\u00f731\uff1d
18\u00d74\uff1d
74\u00f737\uff1d
210\u00f730\uff1d
36\u00d720\uff1d
4\u00d7250\uff1d
120\u00f720\uff1d
160\u00d72\uff1d
480\u00f72\uff1d
50\u00d760\uff1d
48\u00f74\uff1d
76\u00f719\uff1d
18\u00d73\uff1d
6\u00d7800\uff1d
110\u00d78\uff1d
250\u00f750\uff1d
130\u00d75\uff1d
400\u00f78\uff1d
420\u00f73\uff1d
90\uff0d15\uff1d
3\u00d724\uff1d
92\u00f746\uff1d
48\uff0b16\uff1d
11\u00d740\uff1d
360\u00f760\uff1d
160\u00d72\uff1d
480\u00f72\uff1d
50\u00d760\uff1d
48\u00f74\uff1d
76\u00f719\uff1d
18\u00d73\uff1d
6\u00d7800\uff1d
110\u00d78\uff1d
250\u00f750\uff1d
130\u00d75\uff1d
400\u00f78\uff1d
420\u00f73\uff1d
90\uff0d15\uff1d
3\u00d724\uff1d
92\u00f746\uff1d
8.1\u00f79\uff1d
2.5\u00d74\uff1d
6\uff0d0.025\uff1d
3.6\uff0b6.3\uff1d
0.05\u00d74\uff1d
3.5\u00d70\uff1d
0\u00f73.5\uff1d
0.9\u00d70.3\uff1d
1\u00d70.06\uff1d
9\u00d70.5\uff1d
1.25\u00d78\uff1d
2.6\u00d73\uff1d
4.1\u00d72\uff1d
0.35\u00d70.2\uff1d
7.5\u00d70.1\uff1d
0.9\u00d70.3\uff1d
1\u00d70.06\uff1d
9\u00d70.5\uff1d
1.25\u00d78\uff1d
0.2\u00d70.4\uff1d
8.2\uff0b1.8\uff1d
100\uff0d35.22\uff1d
2.5\u00d70.4\uff1d
2.4\u00d75\uff1d
0.22\u00d74\uff1d
0.9\uff0d0.52\uff1d
3.99\u00d71\uff1d
0\u00d73.52\uff1d
2.5\u00f75\uff1d
8.4\u00f77\uff1d
0.34\u00f717\uff1d
2.5\u00f70.5\uff1d
8.4\u00f70.7\uff1d
0.34\u00f70.17\uff1d\u8865\u5145\uff1a30.4\u00f74\uff1d
1.2\u00d76\uff1d
0.72\u00f70.6\uff1d
2.6\u00f71.3\uff1d
0.6\u00d70.3\uff1d
0\u00f73.65\uff1d
7.82\u00f71 \uff1d
0.001\u00f70.1\uff1d
1.4\u00f70.7\uff1d
3.6\u00f70.06\uff1d
5.6\u00f70.8\uff1d
5.6\u00f71.4\uff1d
0.48\u00f70.8\uff1d
4.4\u00f70.11\uff1d
4.2\u00d73 \uff1d
3.2\u00d70.4\uff1d
0.3\u00f70.01\uff1d
4\u00f70.5\uff1d
5.1\u00f70.17\uff1d
0.28\u00f71.4\uff1d
0.9\u00f70.45\uff1d
9.6\u00f716\uff1d
1\u00f70.01 \uff1d
0.01\u00f71\uff1d
7.5\u00f71.5\uff1d
0.81\u00f79\uff1d
3\u00f70.5\uff1d
10\u00f725\uff1d
4.8\u00f70.16\uff1d
0\u00f73.89\uff1d
3.52\u00f71\uff1d
6.4\u00f74\uff1d
1.5\u00f70.3\uff1d
1.8\u00d75\uff1d
7.2\u00f70.9\uff1d
2.2\u00d76\uff1d
8.4\u00f70.4\uff1d
4.5\u00f70.9\uff1d
2.5\u00d74\uff1d
12.5\u00d74\uff1d
0.3\u00f70.1\uff1d
4.5\u00d72=
7.8+0.22=
3.4\u00d70.4=
12.6\uff0d0.9=
48\uff0b16\uff1d
11\u00d740\uff1d
640\u00f780= 8
15\u00d75= 75
23\u00d73= 69
12\u00d72\u00d75= 120
480\u00f780= 6
16\u00d75= 80
27\u00d73= 81
90\u00f715= 6
48\u00f74=12
640\u00f716=40
39\u00f73= 13
24\u00d720= 480
32\u00d73= 96
48\u00f716= 3
12\u00d78=96
27\u00d73= 81
56\u00f714= 4
24\u00f78=3
14\u00d72=28
83\uff0d45= 38
560\u00f780=7
96\u00f724=4
40\u00f720=2
40\u00d730=1200
37\uff0b26=63
76\uff0d39=37
605\uff0b59= 664
30\u00d723= 690
12\u00d78=96
27\uff0b32=59
48\uff0b27=75
4500\u00d720=90000
73\uff0b15 =88
120\u00d7600 =72000
200\u00d7360=72000
6800\u00d7400= 2720000
280\uff0b270=550
4\u00d72500=10000
6000\u00f740=150
5\u00d71280= 6400
310\uff0d70=240
400\u00d714=5600
470\uff0b180=650
1000\u00f725= 40
160\u00d7600=96000
20\u00d7420=8400
290\u00d7300= 87000
8100\u00f7300= 27
7600\u00f7200=38
7600\u00f7400=19
680\uff0b270=950
980\u00f714= 70
4200\u00f730=140
6\u00d71300=7800
1300\u00d750= 65000
200\u00d748= 9600
930\uff0d660=270
530\uff0b280=810
9200\u00f7400= 23
840\u00f721= 40
180\u00d7500=90000
8000\u00f7500 =16
1900\u00f720= 95
200\u00d7160= 32000
8700\u00f7300=29
300\u00d7330=99000
3\u00d71400=4200
7000\u00f714= 500
600\u00f712= 50
9600\u00f780= 120
140\u00d7300= 42000
8800\u00f740= 220
9600\u00f7800=12
750\uff0d290=460
5\u00d7490= 2450
760\u00d720= 15200
7500\u00f7500=15
370\u00d7200=74000
650\u00f713=50
8600\uff0d4200=4400
240\u00d74=960
640\u00f780=8
15\u00d710=150
12\u00d711=132
160\u00d730=4800
220\u00d740=8800
104\u00d75=520
4500\u00f750=90
120\u00d72=240
90\u00f730=3
270\u00f730=9
270\u00d730=8100
84\u00f721=4
76\u00f79=8....4
66\u00f77=9....3
100\uff0d54=46
123\uff0b15=138
360\u00f74=90
55\u00f75=11
32\u00d76=192 7000\u00f770\uff1d 100
200\u00f740\uff1d5
180\u00f730=6
240\u00f740=6
35\u00d72=70
140\u00d77=980
13\u00d76=78
280\u00d73=840
350\u00d72=700
50\u00d711=550
250\u00d76= 1500
7200+900= 8100
410-201= 209640\u00f780=
15\u00d75=
23\u00d73=
12\u00d72\u00d75=
480\u00f780=
16\u00d75=
27\u00d73=
90\u00f715=
48\u00f74=
640\u00f716=
39\u00f73=
24\u00d720=
32\u00d73=
48\u00f716=
12\u00d78=
27\u00d73=
56\u00f714=
24\u00f78=
14\u00d72=
83\uff0d45=
560\u00f780=
96\u00f724=
40\u00f720=
40\u00d730=
37\uff0b26=
76\uff0d39=
605\uff0b59=
30\u00d723=
12\u00d78=
27\uff0b32=
48\uff0b27=
4500\u00d720=
73\uff0b15 =
120\u00d7600 =
200\u00d7360=
6800\u00d7400=
280\uff0b270=
4\u00d72500=
6000\u00f740=
5\u00d71280=
310\uff0d70=
400\u00d714=
470\uff0b180=
1000\u00f725=
160\u00d7600=
20\u00d7420=
290\u00d7300=
8100\u00f7300=
7600\u00f7200=
7600\u00f7400=
680\uff0b270=
980\u00f714=
4200\u00f730=
6\u00d71300=
1300\u00d750=
200\u00d748=
930\uff0d660=
530\uff0b280=
9200\u00f7400=
840\u00f721=
180\u00d7500=
8000\u00f7500 =
1900\u00f720=
200\u00d7160=
8700\u00f7300=
300\u00d7330=
3\u00d71400=
7000\u00f714=
600\u00f712=
9600\u00f780=
140\u00d7300=
8800\u00f740=
9600\u00f7800=
750\uff0d290=
5\u00d7490=
760\u00d720=
7500\u00f7500=
370\u00d7200=
650\u00f713=
8600\uff0d4200=
240\u00d74=
640\u00f780=
15\u00d710=
12\u00d711=
160\u00d730=
220\u00d740=
104\u00d75=
4500\u00f750=
120\u00d72=
90\u00f730=
270\u00f730=
270\u00d730=
84\u00f721=
76\u00f79=\u8865\u5145\uff1a5+1= 5+7= 5+9= 9+8= 4+6=
3+1= 3+7= 7+4= 1+8= 3+5=
3+6= 6+7= 6+3= 6+5= 5+9=
6+3= 8+2= 5+4= 9+5= 2+6=
2+8= 4+5= 1+4= 9+8= 1+2=
1+3= 7+8= 7+5= 1+2= 6+4=
3+5= 9+2= 4+1= 3+7= 1+9=
2+9= 9+5= 5+9= 5+7= 3+1=
2+6= 4+9= 2+1= 2+3= 7+7=
1+3= 8+9= 2+8= 3+2= 2+4=
7+9= 6+4= 8+9= 7+6= 9+5=
4+3= 6+2= 3+6= 8+6= 4+3=
3+9= 7+4= 4+4= 7+1= 7+1=
8+5= 5+9= 6+9= 5+5= 4+7=
8+8= 2+9= 7+1= 2+7= 8+5=
5+1= 4+2= 8+3= 4+2= 6+7=
4+4= 3+8= 4+4= 8+5= 4+9=
4+1= 2+2= 7+2= 4+5= 8+4=
4+6= 9+7= 1+9= 5+3= 2+9=
5+2= 3+4= 5+5= 1+7= 6+1=
6+6= 9+8= 2+3= 7+8= 5+8=
9+3= 3+1= 6+3= 9+9= 1+2=
3+2= 9+3= 3+1= 7+5= 8+4=
3+2= 6+9= 8+7= 7+8= 8+3=
8+7= 8+3= 2+4= 7+5= 9+4=
5+3= 2+1= 8+7= 2+2= 7+8=
6+8= 4+3= 6+2= 5+6= 4+6=
7+5= 7+8= 5+5= 7+1= 7+5=
7+6= 6+2= 7+9= 1+1= 9+1=
2+6= 8+9= 2+7= 8+5= 6+7=
1+8= 9+2= 5+1= 8+1= 3+4=
4+9= 9+5= 1+1= 9+1= 5+9=
5+7= 7+5= 7+9= 1+6= 8+4=
1+5= 5+2= 8+6= 1+5= 5+6=
5+2= 8+8= 9+8= 6+4= 7+6=
3+6= 1+3= 1+7= 6+9= 9+3=
7+8= 7+7= 8+3= 8+9= 6+5=
6+5= 4+8= 4+2= 2+9= 3+9=
2+3= 3+5= 9+1= 4+7= 8+8=
5+8= 3+6= 3+6= 2+1= 2+6=
4+7= 1+5= 5+2= 6+4= 8+8=
6+8= 1+6= 5+8= 9+6= 8+8=
1+3= 5+7= 2+8= 6+4= 7+8=
6+8= 5+7= 5+2= 8+7= 2+4=
5+4= 2+9= 3+2= 9+3= 5+3=
9+5= 5+8= 2+6= 2+9= 1+9=
\u8865\u5145\uff1a9+8= 4+4= 7+5= 6+5= 7+5=
5+9= 1+5= 2+9= 1+1= 1+6=
3+9= 7+3= 8+9= 9+9= 6+6=
1+3= 6+7= 7+1= 3+2= 8+5=
9+5= 1+4= 3+9= 4+1= 9+6=
3+9= 8+2= 1+5= 4+4= 8+1=
9+8= 1+9= 4+7= 1+1= 6+9=
7+3= 4+8= 8+9= 9+8= 4+1=
5+8= 9+6= 5+8= 8+2= 2+3=
5+7= 5+6= 9+4= 7+6= 5+4=
8+1= 9+4= 1+1= 9+2= 4+1=
4+6= 7+6= 5+3= 6+4= 2+6=
7+5= 4+7= 1+4= 3+5= 9+2=
3+7= 4+2= 2+6= 1+5= 3+7=
7+2= 9+8= 5+5= 4+4= 1+5=
8+4= 9+3= 1+3= 7+6= 6+5=
9+3= 6+1= 4+6= 6+7= 1+9=
2+3= 4+1= 7+3= 1+8= 1+4=
2+4= 6+9= 6+2= 9+8= 5+3=
9+2= 3+2= 7+1= 7+6= 6+6=
1+8= 4+1= 1+2= 4+9= 1+6=
5+9= 5+6= 8+9= 1+5= 8+2=
5+9= 6+6= 2+9= 1+2= 6+2=
6+5= 9+2= 8+3= 9+1= 5+2=
\u8865\u5145\uff1a12\u00d72\u00d75=
480\u00f780=
16\u00d75=
27\u00d73=
90\u00f715=
48\u00f74=
640\u00f716=
39\u00f73=
24\u00d720=
32\u00d73=
48\u00f716=
12\u00d78=
27\u00d73=
56\u00f714=
24\u00f78=
14\u00d72=
83\uff0d45=
560\u00f780=
96\u00f724=
40\u00f720=
40\u00d730=
543-306 67-48 2.37+0.9
227+173 50\u00d760 9+0.1
175-35 125\u00f75 8-0.72
436+208 112+88 0.25+0.75
621-199 250-28 1.2-0.8
45+65+55 180\u00d73 12.3+0.7
157-48-57 12\u00d74+13\u00d74 2.4-1.8
62+160+38 48\u00d750 1.34+0.22640\u00f780=
15\u00d75=74\u00d712+26\u00d712
295+198 810\u00f727 2.5+3.2
315-198 213\u00f73 9.8-4.8
99+232 76+24 1.29-0.18
6.84-5.73= 5.2\uff0d0.08= 3.25\uff0b0.75= 0.97+6.13=
4.9-0.85= 2.13+6.89= 1.72+3.6= 17.2\u20140.36=
11.6-9.23= 0.78\uff0b2.2= 5.2\uff0d0.08= 3.25\uff0b0.75=
4.22+8.46= 5.63+1.25= 5.63+1.25= 9.36-1.59=
4.65-1.15= 7.65-4.19= 8.88-2.69= 0.72\uff0b0.91=
8.24\uff0b3.76= 4.12\uff0d3.8= 14.3\uff0b0.78= 1.3\uff0b8.56=
4\uff0d0.04= 1.2\uff0d0.03= 3.5\uff0b3.05= 0.8\uff0d0.45=
5.2\uff0d0.08= 3.25\uff0b0.75= 0.8\uff0d0.55= 0.83\uff0b0.68=
5.63-5.21= 9.25+2.25= 5.40-4.86= 5.03-2.90=
1.59+3.95= 6.54+0.58= 54.49-22.5= 23.5+21.35=
9.36+43.56= 16.65+18.87= 0.99+24.85= 9.45-6.61=
85.69-48.58= 45.46-26.57= 64.19-29.57= 33.84+16.5=
3.8+61.18= 35.65-19.9= 6.49-4.81= 35.4-24.58=
2.65+9.25= 1.65+4.05= 6.65-1.24= 6.56-2.87=
9.08-0.28= 6.25-5.73= 31.51+8.4= 8.43+8.81=
26.34-15.24= 17.38+15.25= 16.68-9.54= 54.6-42.1=
13.24+8.64= 6.25-5.94= 6.3-1.18= 16.3+5.16=
41+18.24= 45.52-22.18= 69.52-31.48= 6-5.33=
2、计算下面各题并且验算 3.64+1.48 22.32 +12.59 7.85 +1 1、口算 2.5 + 0.9 = 3.6 + 4.9 = 5.6 — 4.8 = 3—1.6= 3.06 + 4.4 = 8.8 + 4.5= 5.2 + 4.8 = 3—2.9= 2、计算下面各题并且验算 3.64+1.48 22.32+12.59 7.85+13.6 65+6.35 8.24-7.58 10.21-5.59 32-14.57 48-0.26 3、用小数计算下面各题 5 元6角3分+三元零九分 1吨30千克+980千克 4米35厘米+5米70厘米 10千克+4千克800克 4千米800米- 3千米50米 6千米-4千米860米(责任编辑:风)一、口算。2.1+0.2= 0.3+0.7= 3.6+1.6= 7.5-0.5= 3.7-0.9= 2.13-0.02= 3.51+0.2= 102+0.3= 1.12-1.02= 4.5-0.01= 二、火眼金睛辩对错,并且改正。(1)12.45-1.35-0.65 (2)21.32-(6.32+8.3)=21.32-6.32+8.3 =12.45-(1.35+0.65) =15+8.3 =12.45-2 =23.3 ( ) =10.45 ( ) 三、用简便方法计算。(1)27.3+73.2+72.7 (2) 585+189+215 (3) 5.85-1.75-0.25 (4)768-274-126 (5) 5.85+1.89+2.15 (6)24.8+14.6+15.4 (7)42.5-22.17-7.83 (8)3.8+1.37+6.2+12.63 四、火眼金睛辩对错。(1)整数加法交换律、结合律对小数同样适用----------------( )(2)4.72+0.1-4.72+0.1=0 -----------------------------( )(3)计算小数加减法,得数的小数部分有0的要把0去掉 ------( )(4)小数加减法混合运算一定要先算加法,后算减法-----------( )五、解决问题。1、某天早上气温是6.5℃,中午气温比早上升高了3.1℃,晚上比中午降低了4.5℃,请问这天晚上的气温是多少? 2、妈妈买水果花了5.8元,买蔬菜花了2.6元,买鱼花的钱比水果和蔬菜的总和还多5.2元,买鱼花了多少钱? 3、前楼中心小学的同学利用周日采集树种,第一周采集2.8千克,第二周采集比第一周的少0.13千克,两周一共采集了多少千克? 4、小明爸爸买了一瓶色拉油,连瓶共重3.4千克,用去一半油后连瓶重1.9千克,你知道这瓶油原来有多少千克?瓶有多重? 5、小芳去书店买书,付了30元,找回了26.4元,小芳发现售货员多找给了她21.8元,问售货员实际应该找给小芳多少钱?这本书的价钱是多少? 6、前楼中心小学四年级男子平均身高122.8厘米,三年级男子平均身高比四年级矮14.2厘米,吴浩然是三年级二班的一名男同学,他的身高是1.26米,问吴浩然比三年级男子平均身高高多少?
5+1= 5+7= 5+9= 9+8= 4+6=
3+1= 3+7= 7+4= 1+8= 3+5=
3+6= 6+7= 6+3= 6+5= 5+9=
6+3= 8+2= 5+4= 9+5= 2+6=
5+2= 3+9= 5+5= 8+2= 5+9=
4+8= 6+1= 9+3= 9+8= 8+3=
7+2= 1+9= 8+4= 2+4= 4+5=
3+4= 9+9= 4+8= 9+3= 9+9=
8+9= 5+2= 5+5= 2+8= 8+4=
9+2= 7+1= 2+6= 6+9= 1+8=
2+5= 5+5= 7+8= 6+5= 3+5=
2+8= 4+5= 1+4= 9+8= 1+2=
1+3= 7+8= 7+5= 1+2= 6+4=
3+5= 9+2= 4+1= 3+7= 1+9=
2+9= 9+5= 5+9= 5+7= 3+1=
2+6= 4+9= 2+1= 2+3= 7+7=
1+3= 8+9= 2+8= 3+2= 2+4=
7+9= 6+4= 8+9= 7+6= 9+5=
4+3= 6+2= 3+6= 8+6= 4+3=
3+9= 7+4= 4+4= 7+1= 7+1=
8+5= 5+9= 6+9= 5+5= 4+7=
8+8= 2+9= 7+1= 2+7= 8+5=
4+4= 3+8= 4+4= 8+5= 4+9=
4+1= 2+2= 7+2= 4+5= 8+4=
4+6= 9+7= 1+9= 5+3= 2+9=
5+2= 3+4= 5+5= 1+7= 6+1=
6+6= 9+8= 2+3= 7+8= 5+8=
9+3= 3+1= 6+3= 9+9= 1+2=
3+2= 9+3= 3+1= 7+5= 8+4=
3+2= 6+9= 8+7= 7+8= 8+3=
补充:280 + 650 ÷ 13 1000 -(280 + 650 ÷ 13)
707 - 35 × 20 (120 - 103)× 50
760 ÷ 10 ÷ 38 (95 - 19 × 5 )÷74
45 × 20 × 3 (270 + 180)÷(30 - 15)
31. 50+160÷40 (58+370)÷(64-45)
32. 120-144÷18+35
33. 347+45×2-4160÷52
34 (58+37)÷(64-9×5)
35 .95÷(64-45)
36. 178-145÷5×6+42 420+580-64×21÷28
37. 812-700÷(9+31×11) (136+64)×(65-345÷23)
38. 85+14×(14+208÷26)
39. (284+16)×(512-8208÷18)
40 .120-36×4÷18+35
41. (58+37)÷(64-9×5)
42 .(6.8-6.8×0.55)÷8.5
43. 0.12× 4.8÷0.12×4.8
44. (3.2×1.5+2.5)÷1.6 3.2×(1.5+2.5)÷1.6补充:48.10.15-10.75×0.4-5.7
49.5.8×(3.87-0.13)+4.2×3.74
50.32.52-(6+9.728÷3.2)×2.5
2356-(1356-721) 1235-(1780-1665) 75×27+19×2 5
31.50+160÷40 (58+370)÷(64-45)
32.120-144÷18+35
33.347+45×2-4160÷52
34(58+37)÷(64-9×5)
35.95÷(64-45)
36.178-145÷5×6+42 420+580-64×21÷28
37.812-700÷(9+31×11) (136+64)×(65-345÷23)
38.85+14×(14+208÷26)
39.(284+16)×(512-8208÷18)
40.120-36×4÷18+35
41.(58+37)÷(64-9×5)补充:三、比一比,算一算:
49 + 17 - 25 240 ÷ 40 × 5 300 - 50 × 2
49 - (17 + 25) 240 + 40 × 5 300 - 50 × 20 × 0
四、脱式计算:
121 - 111 ÷ 37 (121 - 111 ÷ 37)× 5
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=补充: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=
4.3+2.7=
0.75+0.25=
4-0.26=
0.35+2.7=
4.6-1.9=
0.83-0.3=
3+0.05=
7.2-3.8=
0.07+0.6=
26-12+24=
22+35+29=
57-38+15=
80-12-14=
32-27+86=
36+27-48=补充:65+35-34=
72-35+26=
86-37+20=
54-13+37=
39-20+77=
10+56-30=
12+6+50=
66-10=
13+51=
82+5=
75-22=
79+14=
80-4=
69-18=
84-20=
91-71=
89+0=
11+71=
10+75=
36+62=
73-45=
64-46=
90-60=
73-20=
93-81=
19+44=
55-48=
72+21=
50+24=
86-76=
65+35=
76+15=
13+18=
26+21=
100-87=
84-82=
27+18= 61+34=
47-6=
47+32=
72-35=
88-31=
94+0=
24-12=
52+20=
75-34=
75-57=
42+45=
74-17=
67+22=
71+23=
76-35=
58-50=
49+26=
89-46=
13+64=
48+43=
51+36=
59-39=
17+50=
55-10=
18+82=
11+85=
37+97=
75-51=
68-47=
91-61=
74-29=
94-83=
20+59=
60-50=
73+79=
52+54=
87-78=
67+99=
77+67=
14+29=
27+36=
88+11=
86-84=
28+33=
62+88=
48-17=
56+16=
48+66=
35+13=补充:75-36=
90-32=
95+12=
32-13=
53+48=
78-36=
78-58=
43+80=
75-26=
68+71=
74×12+26×12
295+198 810÷27 2.5+3.2
315-198 213÷3 9.8-4.8
99+232 76+24 1.29-0.18
543-306 67-48 2.37+0.9
227+173 50×60 9+0.1
175-35 125÷5 8-0.72
436+208 112+88 0.25+0.75
621-199 250-28 1.2-0.8
45+65+55 180×3 12.3+0.7
157-48-57 12×4+13×4 2.4-1.8
62+160+38 48×50 1.34+0.22 200×30=
42×4=
63-7=
230×20=
130×3=
60×50=
150÷3=
260×2=
75-26=
21×40=
35×20=
15×80=
300×6=
15×8=
23×30=
51÷3=
60÷60=
80÷5=
240÷80=
100÷50=
1200÷20=
250÷50=
270÷90=
50÷10=
360÷40=
500÷50=
280÷70=
34×2=
15×5=
490÷70=
21×3=
15×6=
120÷60=
25×4=
14×5=
480÷80=
30×60=
1800÷60=
25×40=
1800÷90=
5×17=
48÷3=
90×6=
1400×5=
12×8=
92÷2=
150×4=
560÷80=
72÷24=
3200×2=
24×20=
70÷14=
28×3=
6×13=
650÷5=
900÷6=
10×47=
91÷13=
450÷50=
12×20=
18×2=
84÷3=
1900×5=
720÷4=
50×70=
480÷80=
26×30=
93÷31=
18×4=
74÷37=
210÷30=
36×20=
4×250=
120÷20=
160×2=
480÷2=
50×60=
48÷4=
76÷19=
18×3=
6×800=
110×8=
250÷50=
130×5=
400÷8=
420÷3=
90-15=
3×24=
92÷46=
48+16=
11×40=
360÷60=
76÷19=
18×3=
6×800=
110×8=
250÷50=
130×5=
400÷8=
420÷3=
3200×2=
24×20=
70÷14=
28×3=
6×13=
650÷5=
900÷6=
10×47=
91÷13=
450÷50=
12×20=
18×2=
84÷3=
1900×5=
720÷4=
50×70=
480÷80=
26×30=
93÷31=
18×4=
74÷37=
210÷30=
36×20=
4×250=
120÷20=
160×2=
480÷2=
50×60=
48÷4=
76÷19=
18×3=
6×800=
110×8=
250÷50=
130×5=
400÷8=
420÷3=
90-15=
3×24=
92÷46=
48+16=
11×40=
360÷60=
160×2=
480÷2=
50×60=
48÷4=
76÷19=
18×3=
6×800=
110×8=
250÷50=
130×5=
400÷8=
420÷3=
90-15=
3×24=
92÷46=
8.1÷9=
2.5×4=
6-0.025=
3.6+6.3=
0.05×4=
3.5×0=
0÷3.5=
0.9×0.3=
1×0.06=
9×0.5=
1.25×8=
2.6×3=
4.1×2=
0.35×0.2=
7.5×0.1=
0.9×0.3=
1×0.06=
9×0.5=
1.25×8=
0.2×0.4=
8.2+1.8=
100-35.22=
2.5×0.4=
2.4×5=
0.22×4=
0.9-0.52=
3.99×1=
0×3.52=
2.5÷5=
8.4÷7=
0.34÷17=
2.5÷0.5=
8.4÷0.7=
0.34÷0.17=补充:30.4÷4=
1.2×6=
0.72÷0.6=
2.6÷1.3=
0.6×0.3=
0÷3.65=
7.82÷1 =
0.001÷0.1=
1.4÷0.7=
3.6÷0.06=
5.6÷0.8=
5.6÷1.4=
0.48÷0.8=
4.4÷0.11=
4.2×3 =
3.2×0.4=
0.3÷0.01=
4÷0.5=
5.1÷0.17=
0.28÷1.4=
0.9÷0.45=
9.6÷16=
1÷0.01 =
0.01÷1=
7.5÷1.5=
0.81÷9=
3÷0.5=
10÷25=
4.8÷0.16=
0÷3.89=
3.52÷1=
6.4÷4=
1.5÷0.3=
1.8×5=
7.2÷0.9=
2.2×6=
8.4÷0.4=
4.5÷0.9=
2.5×4=
12.5×4=
0.3÷0.1=
4.5×2=
7.8+0.22=
3.4×0.4=
12.6-0.9=
48+16=
11×40=
补充: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=
543-306 67-48 2.37+0.9
227+173 50×60 9+0.1
175-35 125÷5 8-0.72
436+208 112+88 0.25+0.75
621-199 250-28 1.2-0.8
45+65+55 180×3 12.3+0.7
157-48-57 12×4+13×4 2.4-1.8
62+160+38 48×50 1.34+0.22640÷80=
15×5=74×12+26×12
295+198 810÷27 2.5+3.2
315-198 213÷3 9.8-4.8
99+232 76+24 1.29-0.18
0.3+1.5 2.5+9.8 7.6+1.3 4.4+5.7 2.3+7.7 5.7+3.1 7.69+2.31 9.16+2.64
5.68+12.22 16.8+16.5 26.3+14.6+2.1 96.9+3.4+0.7 32.2+2.1 6.4+8.2
28.01+2.09 3.4+6.8 6.9+7.1+3.6-2.4 6.8-3.8 4.26-3.71 8.1+3.6 23.1+23.9
6.94-3.12 3.8+2.4 5.6-4.66+0.6 51.2-24.9+3.7 5.16-1.32+4.31+7.28-2.14
17.3+18.7 26.5+33.5 54.6+94.2 12.4+84.1 23.6+65.4 98.5-25.8+0.3 7.2+1.7+0.1 0.11+0.28 2.03+0.67 5.42+2.31 44.3+25.7 80.1+1.9 65.1+14.3 92.4+3.17+62.1-5.5 6.18+4.12 0.5+0.63 2.91+0.34 0.19+0.01
4.13+3.2 4.7+3.7 6.94+3.12 5.6+6.4 15.3+0.7+1.25 26.4+13.7-0.1 28.4-3.32
3.1+6+2.1 42+0.5+3.5 2.4+3.16+1.7 45.3+54.7 21.6+37.4 23.5+61.4 17.63+2.1
3.6+1.4-3.5 9.6+2.4 8.9+1.1 7.3+2.4 6.25+2.52 8.71+1.29 6.5+3.4+1.3-0.1
54.8+69.2-15.4 6.3+1.4+5.2 8.46+2.54 31.09+2.41-3.1 9.46-2.15 3.3-6.15
7.3+6.7-2.6 16.3+65.2 63.2+46.8 3.12+6.21 2.44+3.56 7.69+3.61 2.45+3.25
5.6+2.4 6.31+6.5-2.2 68.4-61.5 0.25+6.75 3.14+3.1 6.31+20.1 52.3+12.7
2.19+0.31 0.88-2.12 5.34-69.21 2.14+2.15-2.24 6.61+3.44 6.28+3.14 11.1+21.6
74.1+64.9 65.2+2.7 52.6+34.1-24.3 61.3+66.4 98.6-54.3 51.8+24.2 88.6-27.4
52.3+64.7-3.25 12.75-3.64-5.3+1.54 98.24+16.93
多了点题,别见谅啊,祝你早日完成作业! 还有我在另一个人那里先写的,你这是找他那转的,不过放心,题本身是我写的。提问者评价谢谢
5+1= 5+7= 5+9= 9+8= 4+6=
3+1= 3+7= 7+4= 1+8= 3+5=
3+6= 6+7= 6+3= 6+5= 5+9=
6+3= 8+2= 5+4= 9+5= 2+6=
5+2= 3+9= 5+5= 8+2= 5+9=
4+8= 6+1= 9+3= 9+8= 8+3=
7+2= 1+9= 8+4= 2+4= 4+5=
3+4= 9+9= 4+8= 9+3= 9+9=
8+9= 5+2= 5+5= 2+8= 8+4=
9+2= 7+1= 2+6= 6+9= 1+8=
2+5= 5+5= 7+8= 6+5= 3+5=
2+8= 4+5= 1+4= 9+8= 1+2=
1+3= 7+8= 7+5= 1+2= 6+4=
3+5= 9+2= 4+1= 3+7= 1+9=
2+9= 9+5= 5+9= 5+7= 3+1=
2+6= 4+9= 2+1= 2+3= 7+7=
1+3= 8+9= 2+8= 3+2= 2+4=
7+9= 6+4= 8+9= 7+6= 9+5=
4+3= 6+2= 3+6= 8+6= 4+3=
3+9= 7+4= 4+4= 7+1= 7+1=
8+5= 5+9= 6+9= 5+5= 4+7=
8+8= 2+9= 7+1= 2+7= 8+5=
4+4= 3+8= 4+4= 8+5= 4+9=
4+1= 2+2= 7+2= 4+5= 8+4=
4+6= 9+7= 1+9= 5+3= 2+9=
5+2= 3+4= 5+5= 1+7= 6+1=
6+6= 9+8= 2+3= 7+8= 5+8=
9+3= 3+1= 6+3= 9+9= 1+2=
3+2= 9+3= 3+1= 7+5= 8+4=
3+2= 6+9= 8+7= 7+8= 8+3=
补充:280 + 650 ÷ 13 1000 -(280 + 650 ÷ 13)
707 - 35 × 20 (120 - 103)× 50
760 ÷ 10 ÷ 38 (95 - 19 × 5 )÷74
45 × 20 × 3 (270 + 180)÷(30 - 15)
31. 50+160÷40 (58+370)÷(64-45)
32. 120-144÷18+35
33. 347+45×2-4160÷52
34 (58+37)÷(64-9×5)
35 .95÷(64-45)
36. 178-145÷5×6+42 420+580-64×21÷28
37. 812-700÷(9+31×11) (136+64)×(65-345÷23)
38. 85+14×(14+208÷26)
39. (284+16)×(512-8208÷18)
40 .120-36×4÷18+35
41. (58+37)÷(64-9×5)
42 .(6.8-6.8×0.55)÷8.5
43. 0.12× 4.8÷0.12×4.8
44. (3.2×1.5+2.5)÷1.6 3.2×(1.5+2.5)÷1.6补充:48.10.15-10.75×0.4-5.7
49.5.8×(3.87-0.13)+4.2×3.74
50.32.52-(6+9.728÷3.2)×2.5
2356-(1356-721) 1235-(1780-1665) 75×27+19×2 5
31.50+160÷40 (58+370)÷(64-45)
32.120-144÷18+35
33.347+45×2-4160÷52
34(58+37)÷(64-9×5)
35.95÷(64-45)
36.178-145÷5×6+42 420+580-64×21÷28
37.812-700÷(9+31×11) (136+64)×(65-345÷23)
38.85+14×(14+208÷26)
39.(284+16)×(512-8208÷18)
40.120-36×4÷18+35
41.(58+37)÷(64-9×5)补充:三、比一比,算一算:
49 + 17 - 25 240 ÷ 40 × 5 300 - 50 × 2
49 - (17 + 25) 240 + 40 × 5 300 - 50 × 20 × 0
四、脱式计算:
121 - 111 ÷ 37 (121 - 111 ÷ 37)× 5
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=补充: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=
4.3+2.7=
0.75+0.25=
4-0.26=
0.35+2.7=
4.6-1.9=
0.83-0.3=
3+0.05=
7.2-3.8=
0.07+0.6=
26-12+24=
22+35+29=
57-38+15=
80-12-14=
32-27+86=
36+27-48=补充:65+35-34=
72-35+26=
86-37+20=
54-13+37=
39-20+77=
10+56-30=
12+6+50=
66-10=
13+51=
82+5=
75-22=
79+14=
80-4=
69-18=
84-20=
91-71=
89+0=
11+71=
10+75=
36+62=
73-45=
64-46=
90-60=
73-20=
93-81=
19+44=
55-48=
72+21=
50+24=
86-76=
65+35=
76+15=
13+18=
26+21=
100-87=
84-82=
27+18=补充:61+34=
47-6=
47+32=
72-35=
88-31=
94+0=
24-12=
52+20=
75-34=
75-57=
42+45=
74-17=
67+22=
71+23=
76-35=
58-50=
49+26=
89-46=
13+64=
48+43=
51+36=
59-39=
17+50=
55-10=
18+82=
11+85=
37+97=
75-51=
68-47=
91-61=
74-29=
94-83=
20+59=
60-50=
73+79=
52+54=
87-78=
67+99=
77+67=
14+29=
27+36=
88+11=
86-84=
28+33=
62+88=
48-17=
56+16=
48+66=
35+13=补充:75-36=
90-32=
95+12=
32-13=
53+48=
78-36=
78-58=
43+80=
75-26=
68+71=
74×12+26×12
295+198 810÷27
追问:
2.5+3.2
315-198 213÷3 9.8-4.8
99+232 76+24 1.29-0.18
543-306 67-48 2.37+0.9
227+173 50×60 9+0.1
175-35 125÷5 8-0.72
436+208 112+88 0.25+0.75
621-199 250-28 1.2-0.8
45+65+55 180×3 12.3+0.7
157-48-57 12×4+13×4 2.4-1.8
62+160+38 48×50 1.34+0.22还要吗?补充:200×30=
42×4=
63-7=
230×20=
130×3=
60×50=
150÷3=
260×2=
75-26=
21×40=
35×20=
15×80=
300×6=
15×8=
23×30=
51÷3=
60÷60=
80÷5=
240÷80=
100÷50=
1200÷20=
250÷50=
270÷90=
50÷10=
360÷40=
500÷50=
280÷70=
34×2=
15×5=
490÷70=
21×3=
15×6=
120÷60=
25×4=
14×5=
480÷80=
30×60=
1800÷60=
25×40=
1800÷90=
5×17=
48÷3=
90×6=
1400×5=
12×8=
92÷2=
150×4=
560÷80=
72÷24=
3200×2=
24×20=
70÷14=
28×3=
6×13=
650÷5=
900÷6=
10×47=
91÷13=
450÷50=
12×20=
18×2=
84÷3=
1900×5=
720÷4=
50×70=
480÷80=
26×30=
93÷31=
18×4=
74÷37=
210÷30=
36×20=
4×250=
120÷20=
160×2=
480÷2=
50×60=
48÷4=
76÷19=
18×3=
6×800=
110×8=
250÷50=
130×5=
400÷8=
420÷3=
90-15=
3×24=
92÷46=
48+16=
11×40=
360÷60=
76÷19=
18×3=
6×800=
110×8=
250÷50=
130×5=
400÷8=
420÷3=
3200×2=
24×20=
70÷14=
28×3=
6×13=
650÷5=
900÷6=
10×47=
91÷13=
450÷50=
12×20=
18×2=
84÷3=
1900×5=
720÷4=
50×70=
480÷80=
26×30=
93÷31=
18×4=
74÷37=
210÷30=
36×20=
4×250=
120÷20=
160×2=
480÷2=
50×60=
48÷4=
76÷19=
18×3=
6×800=
110×8=
250÷50=
130×5=
400÷8=
420÷3=
90-15=
3×24=
92÷46=
48+16=
11×40=
360÷60=
160×2=
480÷2=
50×60=
48÷4=
76÷19=
18×3=
6×800=
110×8=
250÷50=
130×5=
400÷8=
420÷3=
90-15=
3×24=
92÷46=
8.1÷9=
2.5×4=
6-0.025=
3.6+6.3=
0.05×4=
3.5×0=
0÷3.5=
0.9×0.3=
1×0.06=
9×0.5=
1.25×8=
2.6×3=
4.1×2=
0.35×0.2=
7.5×0.1=
0.9×0.3=
1×0.06=
9×0.5=
1.25×8=
0.2×0.4=
8.2+1.8=
100-35.22=
2.5×0.4=
2.4×5=
0.22×4=
0.9-0.52=
3.99×1=
0×3.52=
2.5÷5=
8.4÷7=
0.34÷17=
2.5÷0.5=
8.4÷0.7=
0.34÷0.17=补充:30.4÷4=
1.2×6=
0.72÷0.6=
2.6÷1.3=
0.6×0.3=
0÷3.65=
7.82÷1 =
0.001÷0.1=
1.4÷0.7=
3.6÷0.06=
5.6÷0.8=
5.6÷1.4=
0.48÷0.8=
4.4÷0.11=
4.2×3 =
3.2×0.4=
0.3÷0.01=
4÷0.5=
5.1÷0.17=
0.28÷1.4=
0.9÷0.45=
9.6÷16=
1÷0.01 =
0.01÷1=
7.5÷1.5=
0.81÷9=
3÷0.5=
10÷25=
4.8÷0.16=
0÷3.89=
3.52÷1=
6.4÷4=
1.5÷0.3=
1.8×5=
7.2÷0.9=
2.2×6=
8.4÷0.4=
4.5÷0.9=
2.5×4=
12.5×4=
0.3÷0.1=
4.5×2=
7.8+0.22=
3.4×0.4=
12.6-0.9=
48+16=
11×40=
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=550
4×2500=10000
6000÷40=150
5×1280= 6400
310-70=240
400×14=5600
470+180=650
1000÷25= 40
160×600=96000
20×420=8400
290×300= 87000
8100÷300= 27
7600÷200=38
7600÷400=19
680+270=950
980÷14= 70
4200÷30=140
6×1300=7800
1300×50= 65000
200×48= 9600
930-660=270
530+280=810
9200÷400= 23
840÷21= 40
180×500=90000
8000÷500 =16
1900÷20= 95
200×160= 32000
8700÷300=29
300×330=99000
3×1400=4200
7000÷14= 500
600÷12= 50
9600÷80= 120
140×300= 42000
8800÷40= 220
9600÷800=12
750-290=460
5×490= 2450
760×20= 15200
7500÷500=15
370×200=74000
650÷13=50
8600-4200=4400
240×4=960
640÷80=8
15×10=150
12×11=132
160×30=4800
220×40=8800
104×5=520
4500÷50=90
120×2=240
90÷30=3
270÷30=9
270×30=8100
84÷21=4
76÷9=8....4
66÷7=9....3
100-54=46
123+15=138
360÷4=90
55÷5=11
32×6=192 7000÷70= 100
200÷40=5
180÷30=6
240÷40=6
35×2=70
140×7=980
13×6=78
280×3=840
350×2=700
50×11=550
250×6= 1500
7200+900= 8100
410-201= 209640÷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=5+1= 5+7= 5+9= 9+8= 4+6=
3+1= 3+7= 7+4= 1+8= 3+5=
3+6= 6+7= 6+3= 6+5= 5+9=
6+3= 8+2= 5+4= 9+5= 2+6=
2+8= 4+5= 1+4= 9+8= 1+2=
1+3= 7+8= 7+5= 1+2= 6+4=
3+5= 9+2= 4+1= 3+7= 1+9=
2+9= 9+5= 5+9= 5+7= 3+1=
2+6= 4+9= 2+1= 2+3= 7+7=
1+3= 8+9= 2+8= 3+2= 2+4=
7+9= 6+4= 8+9= 7+6= 9+5=
4+3= 6+2= 3+6= 8+6= 4+3=
3+9= 7+4= 4+4= 7+1= 7+1=
8+5= 5+9= 6+9= 5+5= 4+7=
8+8= 2+9= 7+1= 2+7= 8+5=
5+1= 4+2= 8+3= 4+2=
追问:
6+7=
4+4= 3+8= 4+4= 8+5= 4+9=
4+1= 2+2= 7+2= 4+5= 8+4=
4+6= 9+7= 1+9= 5+3= 2+9=
5+2= 3+4= 5+5= 1+7= 6+1=
6+6= 9+8= 2+3= 7+8= 5+8=
9+3= 3+1= 6+3= 9+9= 1+2=
3+2= 9+3= 3+1= 7+5= 8+4=
3+2= 6+9= 8+7= 7+8= 8+3=
8+7= 8+3= 2+4= 7+5= 9+4=
5+3= 2+1= 8+7= 2+2= 7+8=
6+8= 4+3= 6+2= 5+6= 4+6=
7+5= 7+8= 5+5= 7+1= 7+5=
7+6= 6+2= 7+9= 1+1= 9+1=
2+6= 8+9= 2+7= 8+5= 6+7=
1+8= 9+2= 5+1= 8+1= 3+4=
4+9= 9+5= 1+1= 9+1= 5+9=
5+7= 7+5= 7+9= 1+6= 8+4=
1+5= 5+2= 8+6= 1+5= 5+6=
5+2= 8+8= 9+8= 6+4= 7+6=
3+6= 1+3= 1+7= 6+9= 9+3=
7+8= 7+7= 8+3= 8+9= 6+5=
6+5= 4+8= 4+2= 2+9= 3+9=
2+3= 3+5= 9+1= 4+7= 8+8=
5+8= 3+6= 3+6= 2+1= 2+6=
4+7= 1+5= 5+2= 6+4= 8+8=
6+8= 1+6= 5+8= 9+6= 8+8=
1+3= 5+7= 2+8= 6+4= 7+8=
6+8= 5+7= 5+2= 8+7= 2+4=
5+4= 2+9= 3+2= 9+3= 5+3=
9+5= 5+8= 2+6= 2+9= 1+9=
9+8= 4+4= 7+5= 6+5= 7+5=
5+9= 1+5=
2+9= 1+1=
1+6=
3+9= 7+3=
8+9= 9+9=
6+6=
1+3= 6+7=
7+1= 3+2=
8+5=
9+5= 1+4=
3+9=
4+1=
9+6=
3+9=
8+2=
1+5=
4+4=
8+1=
9+8=
1+9=
4+7=
1+1=
6+9=
7+3= 4+8= 8+9= 9+8= 4+1=
5+8= 9+6= 5+8= 8+2= 2+3=
5+7= 5+6= 9+4= 7+6= 5+4=
8+1= 9+4= 1+1= 9+2= 4+1=
4+6= 7+6= 5+3= 6+4= 2+6=
7+5= 4+7= 1+4= 3+5= 9+2=
3+7= 4+2= 2+6= 1+5= 3+7=
7+2= 9+8= 5+5= 4+4= 1+5=
8+4= 9+3= 1+3= 7+6= 6+5=
9+3= 6+1= 4+6= 6+7= 1+9=
2+3= 4+1= 7+3= 1+8= 1+4=
2+4= 6+9= 6+2= 9+8= 5+3=
9+2= 3+2= 7+1= 7+6= 6+6=
1+8= 4+1= 1+2= 4+9= 1+6=
5+9= 5+6= 8+91+5= 8+2=
5+9= 6+6= 2+9= 1+2= 6+2=
6+5= 9+2= 8+3= 9+1= 5+2=
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=
543-306 67-48 2.37+0.9
227+173 50×60 9+0.1
175-35 125÷5 8-0.72
436+208 112+88 0.25+0.75
621-199 250-28 1.2-0.8
45+65+55 180×3 12.3+0.7
157-48-57 12×4+13×4 2.4-1.8
62+160+38 48×50 1.34+0.22640÷80=
15×5=74×12+26×12
295+198 810÷27 2.5+3.2
315-198 213÷3 9.8-4.8
99+232 76+24 1.29-0.18
0.75+0.4= 20+0.78= 4.8+4.2= 5.7-3= 4.9-1.7=
1.34+0.8= 2-0.75= 8.7+0.03= 0.2-0.09= 8.5+2.5= 3.4-1.4= 0.68+0.42= 7.82-7.2= 2+9.1= 0.48+0.52= 8.1-5.1= 0.78-0.24= 0.8+0.18= 0.89-0.25= 1-0.98= 0.9+0.1= 1-0.8= 4.5-4= 5.6+4= 5.7+3.3= 10-4.4= 6+6.6= 9.5-2.7= 1-0.55= 3.7+4.8= 7+3.3= 3.25+0.75= 2.7+3.9= 0.7+0.9= 1-0.44=
0.9+1= 14.6-0.4= 10-0.1= 14+0.78= 3+2.7=
5-0.08= 1.64+2.35= 1.1-1= 8.34-6.22= 12.6+3.4=
1.3+4.3= 7.2+6.9= 9.3-8.8= 4.4+15.99= 19.8-5.6=
96.3-56.2 = 79.2+56.8= 1.9+25.793= 88-69.21= 1-0.3=
136.5-105= 73.4+52.1= 93.1-20.9= 63.1-11= 0.33+9.8=
0.3+1.5 2.5+9.8 7.6+1.3 4.4+5.7 2.3+7.7 5.7+3.1 7.69+2.31 9.16+2.64 5.68+12.22 16.8+16.5 26.3+14.6+2.1 96.9+3.4+0.7 32.2+2.1 6.4+8.2 28.01+2.09 3.4+6.8 6.9+7.1+3.6-2.4 6.8-3.8 4.26-3.71 8.1+3.6 23.1+23.9 6.94-3.12 3.8+2.4 5.6-4.66+0.6 51.2-24.9+3.7 5.16-1.32+4.31+7.28-2.14 17.3+18.7 26.5+33.5 54.6+94.2 12.4+84.1 23.6+65.4 98.5-25.8+0.3 7.2+1.7+0.1 0.11+0.28 2.03+0.67 5.42+2.31 44.3+25.7 80.1+1.9 65.1+14.3 92.4+3.17+62.1-5.5 6.18+4.12 0.5+0.63 2.91+0.34 0.19+0.01
4.13+3.2 4.7+3.7 6.94+3.12 5.6+6.4 15.3+0.7+1.25 26.4+13.7-0.1 28.4-3.32 3.1+6+2.1 42+0.5+3.5 2.4+3.16+1.7 45.3+54.7 21.6+37.4 23.5+61.4 17.63+2.1 3.6+1.4-3.5 9.6+2.4 8.9+1.1 7.3+2.4 6.25+2.52 8.71+1.29 6.5+3.4+1.3-0.1 54.8+69.2-15.4 6.3+1.4+5.2 8.46+2.54 31.09+2.41-3.1 9.46-2.15 3.3-6.15
7.3+6.7-2.6 16.3+65.2 63.2+46.8 3.12+6.21 2.44+3.56 7.69+3.61 2.45+3.25 5.6+2.4 6.31+6.5-2.2 68.4-61.5 0.25+6.75 3.14+3.1 6.31+20.1 52.3+12.7 2.19+0.31 0.88-2.12 5.34-69.21 2.14+2.15-2.24 6.61+3.44 6.28+3.14 11.1+21.6 74.1+64.9 65.2+2.7 52.6+34.1-24.3 61.3+66.4 98.6-54.3 51.8+24.2 88.6-27.4 52.3+64.7-3.25 12.75-3.64-5.3+1.54 98.24+16.93
如有重复,还望见谅
5+1= 5+7= 5+9= 9+8= 4+6=
3+1= 3+7= 7+4= 1+8= 3+5=
3+6= 6+7= 6+3= 6+5= 5+9=
6+3= 8+2= 5+4= 9+5= 2+6=
5+2= 3+9= 5+5= 8+2= 5+9=
4+8= 6+1= 9+3= 9+8= 8+3=
7+2= 1+9= 8+4= 2+4= 4+5=
3+4= 9+9= 4+8= 9+3= 9+9=
8+9= 5+2= 5+5= 2+8= 8+4=
9+2= 7+1= 2+6= 6+9= 1+8=
2+5= 5+5= 7+8= 6+5= 3+5=
2+8= 4+5= 1+4= 9+8= 1+2=
1+3= 7+8= 7+5= 1+2= 6+4=
3+5= 9+2= 4+1= 3+7= 1+9=
2+9= 9+5= 5+9= 5+7= 3+1=
2+6= 4+9= 2+1= 2+3= 7+7=
1+3= 8+9= 2+8= 3+2= 2+4=
7+9= 6+4= 8+9= 7+6= 9+5=
4+3= 6+2= 3+6= 8+6= 4+3=
3+9= 7+4= 4+4= 7+1= 7+1=
8+5= 5+9= 6+9= 5+5= 4+7=
8+8= 2+9= 7+1= 2+7= 8+5=
4+4= 3+8= 4+4= 8+5= 4+9=
4+1= 2+2= 7+2= 4+5= 8+4=
4+6= 9+7= 1+9= 5+3= 2+9=
5+2= 3+4= 5+5= 1+7= 6+1=
6+6= 9+8= 2+3= 7+8= 5+8=
9+3= 3+1= 6+3= 9+9= 1+2=
3+2= 9+3= 3+1= 7+5= 8+4=
3+2= 6+9= 8+7= 7+8= 8+3=
补充:280 + 650 ÷ 13 1000 -(280 + 650 ÷ 13)
707 - 35 × 20 (120 - 103)× 50
760 ÷ 10 ÷ 38 (95 - 19 × 5 )÷74
45 × 20 × 3 (270 + 180)÷(30 - 15)
31. 50+160÷40 (58+370)÷(64-45)
32. 120-144÷18+35
33. 347+45×2-4160÷52
34 (58+37)÷(64-9×5)
35 .95÷(64-45)
36. 178-145÷5×6+42 420+580-64×21÷28
37. 812-700÷(9+31×11) (136+64)×(65-345÷23)
38. 85+14×(14+208÷26)
39. (284+16)×(512-8208÷18)
40 .120-36×4÷18+35
41. (58+37)÷(64-9×5)
42 .(6.8-6.8×0.55)÷8.5
43. 0.12× 4.8÷0.12×4.8
44. (3.2×1.5+2.5)÷1.6 3.2×(1.5+2.5)÷1.6补充:48.10.15-10.75×0.4-5.7
49.5.8×(3.87-0.13)+4.2×3.74
50.32.52-(6+9.728÷3.2)×2.5
2356-(1356-721) 1235-(1780-1665) 75×27+19×2 5
31.50+160÷40 (58+370)÷(64-45)
32.120-144÷18+35
33.347+45×2-4160÷52
34(58+37)÷(64-9×5)
35.95÷(64-45)
36.178-145÷5×6+42 420+580-64×21÷28
37.812-700÷(9+31×11) (136+64)×(65-345÷23)
38.85+14×(14+208÷26)
39.(284+16)×(512-8208÷18)
40.120-36×4÷18+35
41.(58+37)÷(64-9×5)补充:三、比一比,算一算:
49 + 17 - 25 240 ÷ 40 × 5 300 - 50 × 2
49 - (17 + 25) 240 + 40 × 5 300 - 50 × 20 × 0
四、脱式计算:
121 - 111 ÷ 37 (121 - 111 ÷ 37)× 5
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=补充: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=
4.3+2.7=
0.75+0.25=
4-0.26=
0.35+2.7=
4.6-1.9=
0.83-0.3=
3+0.05=
7.2-3.8=
0.07+0.6=
26-12+24=
22+35+29=
57-38+15=
80-12-14=
32-27+86=
36+27-48=补充:65+35-34=
72-35+26=
86-37+20=
54-13+37=
39-20+77=
10+56-30=
12+6+50=
66-10=
13+51=
82+5=
75-22=
79+14=
80-4=
69-18=
84-20=
91-71=
89+0=
11+71=
10+75=
36+62=
73-45=
64-46=
90-60=
73-20=
93-81=
19+44=
55-48=
72+21=
50+24=
86-76=
65+35=
76+15=
13+18=
26+21=
100-87=
84-82=
27+18=补充:61+34=
47-6=
47+32=
72-35=
88-31=
94+0=
24-12=
52+20=
75-34=
75-57=
42+45=
74-17=
67+22=
71+23=
76-35=
58-50=
49+26=
89-46=
13+64=
48+43=
51+36=
59-39=
17+50=
55-10=
18+82=
11+85=
37+97=
75-51=
68-47=
91-61=
74-29=
94-83=
20+59=
60-50=
73+79=
52+54=
87-78=
67+99=
77+67=
14+29=
27+36=
88+11=
86-84=
28+33=
62+88=
48-17=
56+16=
48+66=
绛旓細灏忔暟鐨勫姞鍑鍙渶鎶婂皬鏁扮偣瀵规暣榻,鎸夌収鏁存暟鍔犲噺涓鏍疯绠.3.14+5.68= 5.99+0.59= 2.59+6.14= 48.5+586.5= 369.2+153.5= 59.3+15.3= 59.3+95.86= 2.6锛媗.4锛 1.9锛0.8l锛 0.58锛0.42锛 1.63鈥1.23锛 0.9锛0.25锛 9.9鈥0.01锛 4鈥2.3锛 3.2涓1.7锛 7....
绛旓細17脳40锛 100锛63锛 3.2锛1.68锛 2.8脳0.4锛 14锛7.4锛 1.92梅0.04锛 0.32脳500锛 65锛4.35锛 10锛5.4锛 4梅20锛 3.5脳200锛 1.5锛0.06锛 0.75梅15锛 0.4脳0.8锛 4脳0.25锛 36锛1.54锛 1.01脳99锛 420梅35锛 25脳12锛 135梅0.5锛 0.51梅17锛 32.8锛...
绛旓細1.2+96.6= 2.6-35.6= 10.23-0.88= 4.56+14.62= 7.9+53.1= 56.4+23.1= 96.4-57.1= 55.1+65.9= 56.78-21.5= 96.1-43.2= 0.9锛1锛
绛旓細1.2+2.8=4 1.5+3.6=5.1 22.5+23=45.5 0.125+0.348=0.473 0.65+2.35=3 4.27+3.15=7.42 3.24+1.157+0.163=4.54 0.12+3.16=3.28 0.124+3.15=3.274 22.26+3.16=25.42 0.14+10.46=10.6 1.238+0.152=1.39 4.12+5.18=9.3 10.56+12.44=23 10...
绛旓細1.2+8.8=10 0.8-0.5=0.3 5-0.26= 4.74 0.37+0.17=0.54 0.24+0.36=0.6 4.3-4.3= 0 1.9梅100=0.019 7.11+8= 15.11 6.07+1.9= 7.97 0.65+35=35.65 6.34-0.64=5.7 12.95-12= 0.95
绛旓細0.35脳1.6+0.35脳3.4 0.25脳8.6脳4 6.72-3.28-1.72 0.45+6.37+4.55 5.4+6.9脳3-锛25-2.5锛2脳41846-620-380 4.8脳46+4.8脳54 0.8+0.8脳2.5 1.25脳3.6脳8脳2.5-12.5脳2.4 28脳12.5-12.5脳20 23.65-锛3.07+3.65锛夛紙4+0.4脳0.25锛8脳7脳1....
绛旓細6.84-5.73= 5.2锛0.08= 3.25锛0.75= 0.97+6.13= 4.9-0.85= 2.13+6.89= 1.72+3.6= 17.2鈥0.36= 11.6-9.23= 0.78锛2.2= 5.2锛0.08= 3.25锛0.75= 4.22+8.46= 5.63+1.25= 5.63+1.25= 9.36-1.59= 4.65-1...
绛旓細鏁存暟涓灏忔暟鐨勫姞鍑忔硶锛堢珫寮忚绠楋級10+10.1= 27+8.03= 26+7.98= 13.99+1= 7.88+2 = 28-3.56= 10-0.81= 10-0.36= 20-0.92= 8-7.089= 95-9.85= 20-9.42= 35.09-11= 96.85-85= 45.45-45= 10-0.41= 45-0.45= 3.57+3...