题目内容
| 13×42+13=13× (42+13) A.正确 B.错误 |
试题答案
B
相关题目
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18.2+8= | 19-0.2= | 1.8×0.4= | ||||||
| 24÷0.6= | 21×
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100×1%= | ||||||
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| 直接写出得数 0.25×
|
624×50%= | 0.5÷
|
5-1.42= | ||||||||||||||
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0.125+
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1-
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8-8÷4-
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| 1 |
| 2 |
| 1 |
| 2×1 |
| 1 |
| 2 |
| 1 |
| 2 |
| 1 |
| 6 |
| 1 |
| 2×3 |
| 1 |
| 2 |
| 1 |
| 3 |
| 1 |
| 6 |
| 1 |
| 12 |
| 1 |
| 3×4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 12 |
…
| 1 |
| 42 |
| 1 |
| (6)×(7) |
| 1 |
| (6)×(7) |
| 1 |
| (6) |
| 1 |
| (6) |
| 1 |
| (7) |
| 1 |
| (7) |
| 1 |
| (42) |
| 1 |
| (42) |
| 1 |
| n×(n+1) |
| 1 |
| (n) |
| 1 |
| (n) |
| 1 |
| n×(n+1) |
| 1 |
| n×(n+1) |