| 脱式计算。 | ||||
|
| (1)30+40×50 =30+200 =230 | (2)61×4-128 =244-128 =116 |
| (3)200-24×3 =200-72 =128 | (4)(81+11)×2 =92×2 =184 |
编辑:chaxungu时间:2026-04-27 13:23:04分类:小学数学题库
| 脱式计算。 | ||||
|
| (1)30+40×50 =30+200 =230 | (2)61×4-128 =244-128 =116 |
| (3)200-24×3 =200-72 =128 | (4)(81+11)×2 =92×2 =184 |