问题
解答题
口算.
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答案
60-26=34, | 22+39=61, | 39÷3=13, | 700+600=1300, | 49+37=86, | 84-37=47, |
9×200=1800, | 10000-9000=1000, | 21×4=84, | 76÷4=19, | 25×4=100, | 150×3×0=0. |
口算.
|
60-26=34, | 22+39=61, | 39÷3=13, | 700+600=1300, | 49+37=86, | 84-37=47, |
9×200=1800, | 10000-9000=1000, | 21×4=84, | 76÷4=19, | 25×4=100, | 150×3×0=0. |