3a=二分之b,a:b=( ):( )

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3a=二分之b,a:b=():()3a=二分之b,a:b=():()3a=二分之b,a:b=():()3a=b/2两边乘26a=ba:b=(1):(6)因3a=b/2得b=6a,故a:b=1:6a:b

3a=二分之b,a:b=( ):( )
3a=二分之b,a:b=( ):( )

3a=二分之b,a:b=( ):( )
3a=b/2
两边乘2
6a=b
a:b=( 1):( 6)

因3a=b/2得b=6a,故a:b=1:6

a:b=6:1