题目内容
用简便方法计算下面各题。
|
| (1)原式=13.2-(3.7+6.3) =3.2 |
(2)原式=10.26-4.26-3.78 =2.22 |
| (3)原式=240÷25 =9.6 |
(4)原式= =23 |
| (5)原式=(100+1)×7.8 =787.8 |
(6)原式= =11.4 |
| (7)原式= = 40 |
(8)原式=1.9×8×125×4×0.25 =1900 |
| (9)原式=8.6×( =8.6 |
(10)原式=(2.74+7.26)×2.8 =28 |
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