12×2.5=           7.5×0.4=        1÷0.625=      8.4÷4.2=

24÷4+56÷4=      2.5+2.5×3=      0.25×8=       12.5÷2.5=

10﹣2.65=   0.9×0.08=        6+14.4=             24÷0.04=

÷3=      2 -（ + ）=    187.7×11﹣187.7=   （ ﹣ ）×12=

96-69=          0.72+2.8=       0.125×0.8=      0.32÷0.1=

4× ÷4× =         7÷ =          1- =

403×19=           -80%=        （ - ）×12=

1.5×0.6＝      3.2×0.2＝      2.3×1＝       1.8÷0.3＝

3.6÷2＝         14÷0.7＝       8.4÷4＝        2.4×5＝

1.5÷0.06＝{#blank#}2{#/blank#}÷6