0.9×1.1=
1.4×0.3=
0.6×2.5=
0.4×0.5=
8.5÷0.4=
0.1÷0.01=
6.3÷0.63=
15.5÷5=
①35÷0.7=
②42÷0.15=
③45.9÷6=
④6.3÷0.42=