A/14=B/16=C/18=D/20,那么A:B=( ):( ),C:B=( ):( ),D:B=( ):( )快!谢谢!
问题描述:
A/14=B/16=C/18=D/20,那么A:B=( ):( ),C:B=( ):( ),D:B=( ):( )
快!谢谢!
答
A/14=B/16=C/18=D/20,那么A:B=( ):( ),C:B=( ):( ),D:B=( ):( )
快!谢谢!