题目内容
用递等式计算。
|
| (1)原式= =10+12 =22 |
(2)原式=300-12×6 =300-72 =28 |
(3)原式=(3.8-0.9)÷0.3 =2.9÷0.3 =0.87 |
| (4)原式= = |
(5)原式=32.4×(0.45+0.55) =32.4 |
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题目内容
用递等式计算。
|
| (1)原式= =10+12 =22 |
(2)原式=300-12×6 =300-72 =28 |
(3)原式=(3.8-0.9)÷0.3 =2.9÷0.3 =0.87 |
| (4)原式= = |
(5)原式=32.4×(0.45+0.55) =32.4 |