15;( )=0.75=21/( )=16分之( )=( )%
问题描述:
15;( )=0.75=21/( )=16分之( )=( )%
答
15:( 20)=0.75=21/( 28)=16分之(12 )=(75 )%
15;( )=0.75=21/( )=16分之( )=( )%
15:( 20)=0.75=21/( 28)=16分之(12 )=(75 )%