8.6×7.8+8.6×23-8.6用最简方式?
5个回答
展开全部
8.6×78+8.6×23-8.6
=8.6×(78+23-1)
=8.6×100
=860
=8.6×(78+23-1)
=8.6×100
=860
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
展开全部
同时提取8.6,原式化为8.6*(78+23-1)即8.6*100=860
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
展开全部
原式
=8.6×7.8+8.6×23-8.6×1
=8.6×(7.8+23-1)
=8.6×29.8
=8.6×(30-0.2)
=8.6×30-8.6×0.2
=258-1.72
=256.28
=8.6×7.8+8.6×23-8.6×1
=8.6×(7.8+23-1)
=8.6×29.8
=8.6×(30-0.2)
=8.6×30-8.6×0.2
=258-1.72
=256.28
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
展开全部
=8.6×(7.8+(23-1))
=8.6×(7.8+22)
=8.6×29.8
=8.6×(30-0.2)
=8.6×30-8.6×0.2
=258-1.72
=256.28
=8.6×(7.8+22)
=8.6×29.8
=8.6×(30-0.2)
=8.6×30-8.6×0.2
=258-1.72
=256.28
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
展开全部
8.6×7.8+8.6×23-8.6
=8.6×7.8+8.6×23-8.6×1
=8.6×(7.8+23-1)
=8.6×29.8
=8.6×(30-0.2)
=8.6×30-8.6×0.2
=258-1.72
=256.28
=8.6×7.8+8.6×23-8.6×1
=8.6×(7.8+23-1)
=8.6×29.8
=8.6×(30-0.2)
=8.6×30-8.6×0.2
=258-1.72
=256.28
本回答被网友采纳
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