( )除以30=4:( )=( )(填成数)=( )(填折数)=( )%

问题描述:

( )除以30=4:( )=( )(填成数)=( )(填折数)=( )%

(24 )除以30=4:(5 )=( 8成)(填成数)=(8折 )(填折数)=(80 )%( )除以30=4:( )=0.4=()填成数=()填折数=()%(12)除以30=4:(10 )=0.4=(4成)填成数=(8折)填折数=( 40 )%