题目内容
怎样简便怎样计算。
|
| (1)原式=(0.15+2.94÷0.4)×0.8 =0.15×0.8+3.94÷(0.4÷0.8) =0.12+2.94÷0.5 =6 |
(2)原式= = |
| (3)原式=( =( = =11 |
(4)原式= 48.6÷(243×3.75+24.3×41.1+2.43×214) =48.6÷[243×(3.75+4.11+2.14)] =48.6÷(243×10) = |
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题目内容
怎样简便怎样计算。
|
| (1)原式=(0.15+2.94÷0.4)×0.8 =0.15×0.8+3.94÷(0.4÷0.8) =0.12+2.94÷0.5 =6 |
(2)原式= = |
| (3)原式=( =( = =11 |
(4)原式= 48.6÷(243×3.75+24.3×41.1+2.43×214) =48.6÷[243×(3.75+4.11+2.14)] =48.6÷(243×10) = |