| 脱式计算。(能简算的要简算) | ||||
|
(1)45÷0.75-(15+7.5×0.6) | (2)5.25×8.2+5.25×0.8-5.25 =43.05+4.2-5.25 =42 |
(3)18.45-(3.8×2.7+5.3) | (4)![]() = - -( - )= ![]() = ![]() |
编辑:chaxungu时间:2026-04-27 13:58:44分类:小学数学题库
| 脱式计算。(能简算的要简算) | ||||
|
(1)45÷0.75-(15+7.5×0.6) | (2)5.25×8.2+5.25×0.8-5.25 =43.05+4.2-5.25 =42 |
(3)18.45-(3.8×2.7+5.3) | (4)![]() = - -( - )= ![]() = ![]() |