已知4a=3b,2b=3c,求:a:b=( ):( ) b:c=( ):( ) a:c =( ):( )
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已知4a=3b,2b=3c,求:a:b=( ):( ) b:c=( ):( ) a:c =( ):( )
已知4a=3b,2b=3c,求:a:b=( ):( ) b:c=( ):( ) a:c =( ):( )
已知4a=3b,2b=3c,求:a:b=( ):( ) b:c=( ):( ) a:c =( ):( )
a:b=3:4 b:c=3:2 a:c=9:8