14/5*25%+1/4*2.2-0.25 简便运算!
问题描述:
14/5*25%+1/4*2.2-0.25 简便运算!
答
14/5*25%+1/4*2.2-0.25
=(14/5+2.2-1)*0.25
=4*0.25
=1