题目内容
聪明会计师。(用简便方法计算下面各题)
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| (1)原式=37×0.4×2.5×8×1.25 =37×1×10 =370 |
(2)原式=728×(100-1) =72800-728 =72072 |
| (3)原式=853-153-265 =700-265 =435 |
(4)原式=0.75×(25+34+41) =0.75×100 =75 |
| (5)原式=3+1- =3 |
(6)原式=6.28×(7.6+2.4) =6.28×10 =62.8 |
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