5.8*5+12.5*2+15=?
问题描述:
5.8*5+12.5*2+15=?
答
5.8*5+12.5*2+15
=5.8*5+25+15
=29+40
=69
5.8*5+12.5*2+15=?
5.8*5+12.5*2+15
=5.8*5+25+15
=29+40
=69