( )乘7.2+( )乘22+()乘45+()乘60等于1188.8
问题描述:
( )乘7.2+( )乘22+()乘45+()乘60等于1188.8
答
(4 )×7.2+( 50)×22+(0)×45+(1)×60=1188.8
(4 )×7.2+( 50)×22+(0)×45+(1)×60=1188.8