脱式计算. (1)45÷0.75- (2)5.25×8.2+5.25×0.8-5.25 (3)18.45 - (4)+
脱式计算。(能简算的要简算) | ||||
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(1)45÷0.75-(15+7.5×0.6) | (2)5.25×8.2+5.25×0.8-5.25 =43.05+4.2-5.25 =42 |
(3)18.45-(3.8×2.7+5.3) | (4)![]() = ![]() ![]() ![]() ![]() = ![]() = ![]() |


脱式计算。(能简算的要简算) | ||||
|
(1)45÷0.75-(15+7.5×0.6) | (2)5.25×8.2+5.25×0.8-5.25 =43.05+4.2-5.25 =42 |
(3)18.45-(3.8×2.7+5.3) | (4)![]() = ![]() ![]() ![]() ![]() = ![]() = ![]() |