0.25=( )/4=12÷( )=9÷( )
():20=12分之()=4÷()=0.25=():()
0.25=4分之几=6÷()=12()=()%
0.25=()分之2=():12=4÷()=()%
():20=4分之3=12÷()=9:()=():18
0.25=( )分之1=( )%=2÷( )=( )÷16=( ):12
12÷(3/4÷1/5) = =
,()÷36=8分之()=0.25=():12=()%
(-1.5+2.75)÷(-0.25)=
3÷4=():24=12÷()=36÷()=3+6÷4+()=3+()÷4+24
():8=0.25=9÷()=27:()=四分之?
0.25=几分之1=2÷( )=( )比12=( )%.
1÷0.25=?7.9÷0.01=?(2.5+0.9)×0.4=?(1.5+0.25)×4=?