(2-0.75+56*0.25)*25简便运算,急!
问题描述:
(2-0.75+56*0.25)*25简便运算,急!
答
(2-0.75+56*0.25)*25
=【1.25+14*(4*0.25)】*25
=【1.25+14】*25
=15.25*25
=381.25��Ҳ����ô���ģ�������ô�ǵ�