13.52*5/13.2*5+25*99 怎样简便计算?
问题描述:
13.52*5/13.2*5+25*99 怎样简便计算?
答
13.2*5/13.2*5+25*99
=5*5+25*99
=25+25*99
=25*(1+99)
=25*100
=2500