4个回答
展开全部
49.7-{-23.75+(18.7-25.25)}
=49.7-{-23.75+(-6.55)}
=49.7-{-23.75+(-6.55)}
=49.7-{-30.3}
=49.7+30.3
=80
=49.7-{-23.75+(-6.55)}
=49.7-{-23.75+(-6.55)}
=49.7-{-30.3}
=49.7+30.3
=80
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
展开全部
49.7-[-23.75+(18.7-25.25)]
=49.7+23.75-18.7+25.25
=(49.7-18.7)+(23.75+25.25)
=31+49
=80
=49.7+23.75-18.7+25.25
=(49.7-18.7)+(23.75+25.25)
=31+49
=80
本回答被提问者采纳
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
展开全部
49.7-[-23.75+(18.7-25.25)]
=49.7-(-23.75+18.7-25.25)
=49.7-[18.7-(23.75+25.25)]
=49.7-(18.7-49)
=49.7-18.7+49
=31+49
=80
=49.7-(-23.75+18.7-25.25)
=49.7-[18.7-(23.75+25.25)]
=49.7-(18.7-49)
=49.7-18.7+49
=31+49
=80
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
展开全部
49.7-[-23.75+(18.7-25.25)]
=49.7+23.75-18.7+25.25
=(49.7-18.7)+(23.75+25.25)
=31+49
=80
=49.7+23.75-18.7+25.25
=(49.7-18.7)+(23.75+25.25)
=31+49
=80
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