题目内容
| 用自己喜欢的方法计算。 | ||||
|
| (1)458+40×30-150 =458+1200-140 =1658-140 =1518 |
(2)26× =(265+14)× =40× =15 |
| (3)40.5÷0.81-16×2.4 =50-38.4 =11.6 |
(4)48×[3.2÷(1- =48×(3.2÷ =230.4 |
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题目内容
| 用自己喜欢的方法计算。 | ||||
|
| (1)458+40×30-150 =458+1200-140 =1658-140 =1518 |
(2)26× =(265+14)× =40× =15 |
| (3)40.5÷0.81-16×2.4 =50-38.4 =11.6 |
(4)48×[3.2÷(1- =48×(3.2÷ =230.4 |