问题
解答题
口算:
|
答案
95-8=87, | 50+480=530, | 597×4≈2400, | 49×9≈450, | 200×5=1000, | 56÷8=7, | ||||||||
123×2=246, | 213×6≈1200, |
| 1-
| 9×3+7=34, | 98×0=0. |
口算:
|
95-8=87, | 50+480=530, | 597×4≈2400, | 49×9≈450, | 200×5=1000, | 56÷8=7, | ||||||||
123×2=246, | 213×6≈1200, |
| 1-
| 9×3+7=34, | 98×0=0. |