竖式计算:
能简算的要简算 40%×+60%×20%×﹣20%××35%+0.25×65% 75%×125﹣75%×25(+)×4515×40%+85×40%
计算(能简算的要简算). 5×32×12.58×5×(25﹣18 ) 4.63+345+5.37+71517×58﹣58.
0.5×1.6+0.5×26.47.16﹣(3.5﹣3.84)(0.125×8﹣0.5)÷0.25﹣(+) 999×778+333×666(13×0.58﹣4.87+0.42×13﹣5.13)×4.25.
脱式计算,能简算的要简算. (1)125×(8+0.8+0.08)(2)×(﹣÷) (3)2.8×0.4+10.2÷3.4(4)÷〔﹣(+)〕
计算下面各题,能简算的要写出简算过程 1.8×(4.7﹣3.87÷0.9)7.28﹣3.14+1.72﹣2.86 4×0.8×2.5×12.50.65×14+87×65%﹣65%