6.36﹣2.22+2.64﹣0.7812.5×(8﹣0.8)×41.25×6.4×0.25×0.27.5×10﹣7.5×6.5+7.5×0.5(2.6×1.5+1.1)﹣2.5×88÷[(40.75﹣9.5)×0.4]﹣0.6.
6.71+2.29﹣4.71=0.6﹣0.6÷3=9.3+0×9.3=10÷0.1﹣0.1÷10=
下面各题,怎样算简便就怎样算. 7.8×11﹣7.81.25×0.2×50×8 4.28×1.9+1.9×5.724.3×1.02.
脱式计算(能简算的要简算) 3.4÷[(1.2+0.5)×5] 1.9+19.9+199.9+0.3.
脱式计算,能简算的要简算. 13.4+5.62+17.6+4.383.4÷[(1.2+0.5)×5]0.75×18÷0.152.5×3.2×1.25.
脱式计算(能简算的要简算) 70.9﹣48.32÷1.6()×36÷[()×]×23+16××60.