题目内容
脱式计算。(能简算的要简算)
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| (1)原式=10.2×0.6+31.2 =(10+0.2)×0.6+31.2 =37.32 |
(2)原式=0.97×1.01 =0.9797 |
(3)原式=73.6×(27+73) =73.6×100 =7360 |
| (4)原式=49.2-0.25-8.75 =49.2-(0.25+8.75) =40.2 |
(5)原式=255.5÷3.5-38 =73-38 =35 |
(6)原式=10(0.4×250)×0.56 =560 |
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