①a×0.6②a÷0.6③a×0.8④a÷0.8
①要修一条1.2千米的小路,每天修0.5千米,几天修完?
②小明用1.2元买了0.5千克苹果,1千克苹果要多少钱?
③聪聪跑了1.2千米,明明跑的路程是聪聪的一半,明明跑多少千米?
④一辆电动车行驶1.2千米,需要好耗电0.5千瓦,1千瓦可以行驶多少千米?
8.5÷0.18.5×10 7.377.37
10÷1.2510 A×0.5A÷0.5(A>0)
5.08×0.45= 5.87÷2.9≈(得数保留两位小数)
6.65÷3.3=(得数用循环小数毫示) *5.4÷0.12=
687+95= 0.46+4.9=
0.5×2.4= 0.84÷0.7= 2.6× =
1.25× ×8=
96-69= 0.72+2.8= 0.125×0.8= 0.32÷0.1=
4× ÷4× = 7÷ = 1- =
403×19= -80%= ( - )×12=