| 脱式计算。 | ||||||
|
| (1)72÷(73-72÷72) =72÷72 =1 | (2)(120-28×3)÷4 =36÷4 =9 | (3)820÷20+46×5 =41+230 =271 |
| (4)5×(65-3600÷72) =5×(65-50) =75 | (5)4200÷(17×6-32) =4200÷70 =60 | (6)(56-27)×(72÷8) =29×9 =261 |
编辑:chaxungu时间:2026-04-27 13:22:35分类:小学数学题库
| 脱式计算。 | ||||||
|
| (1)72÷(73-72÷72) =72÷72 =1 | (2)(120-28×3)÷4 =36÷4 =9 | (3)820÷20+46×5 =41+230 =271 |
| (4)5×(65-3600÷72) =5×(65-50) =75 | (5)4200÷(17×6-32) =4200÷70 =60 | (6)(56-27)×(72÷8) =29×9 =261 |