列竖式计算,带※的要验算.
※3005-269 | ※1849+164 | 458×8 | 86÷9 | . |
口算: 18000÷600=________; | 3.5-0.05=________; | ÷3=________; | 3×÷=________; |
10÷=________; | 9×=________; | 4÷=________; | -×=________. |
※3005-269 | ※1849+164 | 458×8 | 86÷9 | . |
口算: 18000÷600=________; | 3.5-0.05=________; | ÷3=________; | 3×÷=________; |
10÷=________; | 9×=________; | 4÷=________; | -×=________. |