( )+49乘以( )=24 ( )乘以28--( )=21.6 要填一样的数
问题描述:
( )+49乘以( )=24 ( )乘以28--( )=21.6 要填一样的数
答
(0.48 )+49乘以(0.48 )=24
(0.8 )乘以28--(0.8 )=21.6