题目内容
脱式计算。(能简算的要简算。)
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| (1) 8.8×0.125 =(8×0.125)×1.1 =1×1.1 =1.1 |
(2) 7.25×0.35-7.25×0.25 =7.25×(0.35-0.25) =7.25×0.1 =0.725 |
(3) 1.25×4÷1.25×4 =(1.25÷1.25)×(4×4) =1×16 =16 |
| (4) 3.6×2.4÷0.4 =8.64÷0.4 =21.6 |
(5) 7.2+15.6÷0.02 =7.2+780 =787.2 |
(6) (9.7+2.4)×0.75 =12.1×0.75 =9.075 |
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