笔算下面各题.145×12= 28×153= 306×25= 580×12=
38÷7÷38.
怎样算简便就怎样算.(1)(+20%)×(2)3.7×125%+1.25×2.7+×3.6.(3)5×+75%×6﹣0.75.
计算下面各题.5.4×+3.6÷+0.9×+÷2012÷2012.
计算下面各题,怎样简便就怎样计算.0.75×3.6×10.75.06×(2.08÷5.2)4.8×0.7÷4.824.6÷2.5÷0.4.
0.25×27×4 45×36+64×45 1.25×320×25 0.96×259.9×999+9.9 1.08×125 8×25×1.25×16 489×101﹣48933×1.03 28×45+30×13 5.6×9+56 0.98×54.