75-25+25-75用简便方式计算
问题描述:
75-25+25-75用简便方式计算
答
75-25+25-75
=75+25-(25+75)
=100-100
=0
75-25+25-75用简便方式计算
75-25+25-75
=75+25-(25+75)
=100-100
=0