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