5:( )=20?( ):12=0.25 9:( )=3分之1?
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5:( )=20?( ):12=0.25 9:( )=3分之1?
5:( )=20?( ):12=0.25 9:( )=3分之1?
5:( )=20?( ):12=0.25 9:( )=3分之1?
5:(1/4 )=20
( 3):12=0.25
9:( 27)=3分之1
1/4 3 27
5:( )=20?( ):12=0.25 9:( )=3分之1?
5:( )=20 ( ):12=0.25 9:( )=1/3
5/3*( )=12/5*( )=( )*8=0.25*(5/3*( )=12/5*( )=( )*8=0.25*( )=1
12÷()=几分之3=0.25=20分之几=4分之几
12除()= ()之3=0.25=20分之() =4分之()
():20=12分之()=4÷()=0.25=():()
0.25(X+3)-5=12求答
0.25除以5分之2=(x-20):4
0.25÷2/5=(x-20):0.4
x-12=0.25x
5-0.25+0.75 = =
()比4=20分之()=0.25=5÷()=()%=()折
( )除以12=( )份之5=0.25=百分之25=( ):24
9除以( )=几分之20=0.25=3:( )=( )%速度限5分钟
5:20=9/36=0.25=25%=( )成( )
5比20=0.25=15除60=几分之8=百分之几
x+0.25%×12×(1-20%)x=5120 x=5000
0.25=0.1 0.4=40%=( )比12=20分之几=( )折0.25=0.1除以 0.4=40%=( )比12=20分之几=( )折