1/( )=4/( )=0.25=( )/12=( )/12=6/( )
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():0.25=4
1/( )=4/( )=0.25=( )/12=( )/12=6/( )
4×(-96)×0.25×(-1/48)=()
0.25×()=0.25÷()=1
()÷8=0.25=()分之4=20:()=10分之1:()
4分之1=0.25=4除以()=18分之()=%
1 约等于( )除以4=( )/12=9:( )=百分之几=0.25
(+1/3)x()=-1 (-0.25)x(-4)=() ()x(0.125) =1
0.25=4分之1=25%=2/8=( )/16=3:12
4/7乘以()=2011乘以()=()乘以0.25=()乘以1/25=1
():20=12分之()=4÷()=0.25=():()
x-0.25=4分之1(用方程解)
9.6×0.25×4=(简便计算)
计算(-0.25)^2005*(-4)^2006=
(0.25)^2007*4^2008=
(-4)乘以5乘以(-0.25)=?
()除以4=0.25=3除以()
0.25=20分之()=()分之4