直接写出得数:3+0.7= 0.93+0.73= 13.8﹣0.8= 0.6+2.7=5.4+0.3= 0.65+0.35= 3.9﹣0.1﹣0.9= 18.5﹣8.5=17.5+5= 0.8+8= 17.6+5.8﹣7.6= 0+1.9=
怎样简算怎样算.12.5×3.2 0.125×3.41×803.1×0.991.25×(8.1+0.7)1.25×0.88+1.12×1.25.
7.25÷0.8÷0.125 4.92÷0.25÷0.40.75×18÷0.15 0.34×2.5÷3.4.
计算下面各题.0.25×4.78×432×1.25+1.25×6810.4﹣9.6×0.53.12+3.12×99.
计算下面各题.7.4×9.91.25×(8×0.8)7.3×4.5﹣28.4.
计算.2.33×5×40.3×0.6×243.65﹣2.2×1.13.7×0.15+4.025.2+3.8×0.934.7×3.5﹣0.2.