5/3*( )=12/5*( )=( )*8=0.25*(5/3*( )=12/5*( )=( )*8=0.25*( )=1
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5/3*( )=12/5*( )=( )*8=0.25*(5/3*( )=12/5*( )=( )*8=0.25*( )=1
5/3*( )=12/5*( )=( )*8=0.25*(
5/3*( )=12/5*( )=( )*8=0.25*( )=1
5/3*( )=12/5*( )=( )*8=0.25*(5/3*( )=12/5*( )=( )*8=0.25*( )=1
5/3*(3/5)=12/5*(5/12)=0.125*8=0.25*4=1
4/3×-()=2/5×()=12/7×()=5×()=1
5/3*( )=12/5*( )=( )*8=0.25*(5/3*( )=12/5*( )=( )*8=0.25*( )=1
(-3/5)×(-12)+0.27×5/9+(-12)×(-2/5)+4/9×0.27=?
3/5=18/()=6÷()=12:()=()填小数
5X-12=3X+12(详细点)
12÷(3/4÷1/5) = =
3:5=15分之9=27除以()=12:()=()
5/18×()=16/3×()=0.1×()=12×()
5/18*( )=( )*16/3=0.1*( )=( )*12
简便计算:(5/12-3/7)-(4/7-7/12) =简便计算:(5/12-3/7)-(4/7-7/12)===
(8/9-5/12)x=34 x*(1-3/8)=5/3
8乘()=()乘5分之3=()+12分之5=1.25乘()=1
8/7*()=5/12除以()=4/3*()=()5/11=1
1/2+1/5=( ) 12×2/3=( ) 9/10×5/18=( ) 3/4-3/5=( ) 3/7×21=( ) 12/5×5/4=( ) 2/13×39
3:5=()分之6=35分之()=12:()=():55=()%
12÷()=5分之3=():30=()%=()成=()(填小数)
5x-5/6=5/12 x=( )
():12=4:3 25:()=5:1 51:17=39:()