756×25+756×26×49怎么用简便方法计算?
2个回答
展开全部
756×25+756×26×49
=756×(25+26×49)
=756×{25+26×(50-1)}
=756×{25+26×50-26×1}
=756×(25+1300-26)
=756×(1300-1)
=756×1300-756
=756×(1000+300)-756
=756000+756×300-756
=756000+ 226800-756
= 782800-756
=782044
=756×(25+26×49)
=756×{25+26×(50-1)}
=756×{25+26×50-26×1}
=756×(25+1300-26)
=756×(1300-1)
=756×1300-756
=756×(1000+300)-756
=756000+756×300-756
=756000+ 226800-756
= 782800-756
=782044
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询