123×0.7123 6.4÷0.86.4
9.45×6.294.5×0.62
3.2×2.3= 320×0.23=
b+7b= 60×0.5= 8.5a-5.5a= 0.52=
0.5×2= 3.2÷100= 0.31×0.2= 0.125×8=
四个同学的列式如下: