题目内容
能简算的要简算
|
| (1)原式=4.7+5.3+(7.69+2.31) =20 |
(2)原式=53.78+6.22-(13.6+37.4) =9 |
(3)原式=57×(100-1) =5700 |
| (4)原式=1000÷50×4 =80 |
(5)原式=400-55 =345 |
(6)原式=60-12.7+7.3 =54.6 |
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题目内容
能简算的要简算
|
| (1)原式=4.7+5.3+(7.69+2.31) =20 |
(2)原式=53.78+6.22-(13.6+37.4) =9 |
(3)原式=57×(100-1) =5700 |
| (4)原式=1000÷50×4 =80 |
(5)原式=400-55 =345 |
(6)原式=60-12.7+7.3 =54.6 |