12/()=4/5=()/45=32÷()
12÷(3/4÷1/5) = =
2.16-7x=0.06 5/8÷(x-o.45)=5/16 (3/8+x)÷4/15-0.4=45/32 这几道方程怎
1、45 =( )÷( )=( )分之20 =12分之( ) =( )%
32:12 =( ):3 =( )÷( )=( )分之( )=( )
12 ÷( )= 6 /( )= ( )/ 5 = 0.6 = ( )÷ 8 = ( )%
12÷()=四分之三=9:()=32分之几=( )%
(5-5)÷45=0,(55-10)÷45=1,(555-15)÷45=12找规律
():()=0.75=12÷()=32分之()
6:8=()÷8=八分之()=():4=12:()=():12 5:2=()÷2=()分之10=():10=10:()=
12÷()=四分之三=():20=32分之()=()%
36÷()=()分之12=() ÷12=4分之3
4÷3=( ):6=12:( )=( ):12=( )分之36