196÷0.7=
※18.4÷0.4=
72.36÷6.7=
0.6×0.9=
2.5×4×12=
0.72÷0.9=
50×0.02=
7.9+0.1=
0.7÷0.01=
12.5×8=
6-0.6=
6个 , 平均分成份,每份个。
60÷80%= 75%+0.25= = =