( ):20=4:( )=0.2=( )/50=百分之几
问题描述:
( ):20=4:( )=0.2=( )/50=百分之几
( ):20=4:( )=0.2=( )/50=百分之几
答
(4):20=4:(20)=0.2=(10)/50=百分之二十
( ):20=4:( )=0.2=( )/50=百分之几
( ):20=4:( )=0.2=( )/50=百分之几
(4):20=4:(20)=0.2=(10)/50=百分之二十