48/20=60/()=( )/5
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48/20=60/()=()/548/20=60/()=()/548/20=60/()=()/525,12
48/20=60/()=( )/5
48/20=60/()=( )/5
48/20=60/()=( )/5
25,12
48/20=60/()=( )/5
16:20=48比60=( )成
5/4=( )/20=( )%=60:( )=( )(填小数)
48分之( )=60分之( )=( )分之10=84分之( )=( )分之5
()÷20=35/()=5/3=15:30=():60
360/24=60/()=()/48
60+(30+20)=
5/12=20/48=( )÷36=45÷( )
48╱20=60/( )=( )/10=84/( )=108/( )=( )/5
20/48=( )/60=10/( )=( )/84=( )/108=5/( )
20/48=( )/60=10/( )=( )/84=( )/108=5/(
60/(x+2)=48/(x-2)
(60+50+48--X)x0.5 /(60-X+50-X+48-X)X0.5 = 32/ 17 解方程
(9)÷15=3:(5)=(20)分之12=0.6=(60)%=5分之1×()=()成
5X=3*(48-X)
3(x-5)²=48
8分之5=48分之()=():()=()%=()填小数
x*60%=(x+y)48% 怎么算