问题
解答题
直接写出得数.
|
答案
400×5=2000, | 0×39=0, | 32÷4=8, |
| 405×2≈800, | ||||||
72÷8=9, | 12×3=36, | 420+170=590, |
| 89×7≈630, | ||||||
90-43=47, | 80÷9=8…8, | 3000×2=6000, | 1-
| 392×5≈2000, | ||||||
68÷7=9…5, | 21×5=105, | 61-16=45, |
| 58×6≈360. |
直接写出得数.
|
400×5=2000, | 0×39=0, | 32÷4=8, |
| 405×2≈800, | ||||||
72÷8=9, | 12×3=36, | 420+170=590, |
| 89×7≈630, | ||||||
90-43=47, | 80÷9=8…8, | 3000×2=6000, | 1-
| 392×5≈2000, | ||||||
68÷7=9…5, | 21×5=105, | 61-16=45, |
| 58×6≈360. |