用简便方法计算.
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(
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(
|
20
|
14
|
7 |
9 |
7 |
9 |
15 |
16 |
5 |
8 |
3 |
4 |
15 |
16 |
8 |
5 |
4 |
3 |
4 |
9 |
8 |
21 |
2 |
3 |
4 |
9 |
8 |
21 |
3 |
2 |
4 |
9 |
3 |
2 |
8 |
21 |
3 |
2 |
2 |
3 |
4 |
7 |
26 |
21 |
8 |
9 |
5 |
7 |
15 |
14 |
8 |
9 |
7 |
5 |
15 |
14 |
4 |
3 |
9 |
10 |
3 |
15 |
3 |
5 |
9 |
10 |
1 |
5 |
5 |
3 |
9 |
10 |
5 |
3 |
1 |
5 |
5 |
3 |
3 |
2 |
1 |
3 |
7 |
6 |
7 |
9 |
4 |
5 |
7 |
9 |
4 |
5 |
7 |
9 |
7 |
9 |
4 |
5 |
5 |
4 |
7 |
9 |
7 |
9 |
1 |
14 |
1 |
14 |
7 |
9 |
1 |
14 |
1 |
18 |
1 |
18 |
科目:小学数学 来源: 题型:
用简便方法计算. 15-0.3= |
6-0.5= | 3.9+12.1= | 2.13+14= | 0.91+1.25= |
10-0.76= | 3.99-0.9= | 0.567+4.44= | 0.37+0.6= | 7.46+2.54= |
1-0.08= | 45.9+1= | 6.87-3.25= | 0.25+0.75= | 0.78+0.22= |
6.1-5.7= |
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