0.75=12÷( )=( ):12=75/( )=( )%
0.75=75%=6分之( )=12÷( )=( )
0.75=75%=( )\12=6:( )
15÷()=()分之12=0.75
0.75=6÷()=():12=15/()=()%
15÷( )=多少分之12=0.75
6÷( )=12/( )=( ):12=0.75
0.75=():12=12÷()=()/36
():()=0.75=12÷()=32分之()
0.75=( )/()=():12=()%
1.()÷8=()—()=15:()=0.75=():12=()%
( )÷12=30:( )=0.75=多少分之3=( )
()÷8=()分之()=15:()=0.75=():12()%