1.( )+5×( )=2.4,求( )=?
问题描述:
1.( )+5×( )=2.4,求( )=?
答
(0.4)+5*(0.4)=2.4
1.( )+5×( )=2.4,求( )=?
(0.4)+5*(0.4)=2.4