3/4=()/8=9/()=3÷()=12/() 3÷5=9÷() =()÷35 =18/(
():20=4分之3=12÷()=9:()=():18
12/5×8/3=()÷24/13=()×3/1=()÷26/1=() 2/1×3/1=()÷2/1=()÷9/4=()
12÷(3/4÷1/5) = =
(1)9/2÷27=6/2÷18=3/2÷9=1/2÷()=()÷()=
( )比20=4分之3=12÷( )=9比( )=( )比8
3÷4=():24=12÷()=36÷()=3+6÷4+()=3+()÷4+24
3/8=( )÷16=12÷( )=()%=() 小数
3/5=9/15=27/45=18÷()=()填小数
()÷36=1/3=9:()=12:()=24分之()
1/2÷4/5÷(2/9×3/8)=?简便计算
12比()=4分之3=()÷()=()÷24
()÷8=()分之3=0.375=9÷()=96分之().