题目内容
脱式计算,能简算的要简算。
|
(1)原式=(100×0.1-0.1)÷30 =9.9÷30 =0.33 |
(2)原式=4.3-(0.6+3) =4.3-3.6 =0.7 |
(3)原式=0.18×(4×0.5) =0.18×2 =0.36 |
(4)原式=7.5×(0.12+0.88) =7.5×1 =7.5 |
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题目内容
脱式计算,能简算的要简算。
|
(1)原式=(100×0.1-0.1)÷30 =9.9÷30 =0.33 |
(2)原式=4.3-(0.6+3) =4.3-3.6 =0.7 |
(3)原式=0.18×(4×0.5) =0.18×2 =0.36 |
(4)原式=7.5×(0.12+0.88) =7.5×1 =7.5 |