7.7*0.34+3.4*0.23的简便运算?
2个回答
展开全部
7.7×0.34+3.4×0.23
=7.7×0.34+0.34×10×0.23
=7.7×0.34+0.34×2.3
=0.34×(7.7+2.3)
=0.34×10
=3.4
=7.7×0.34+0.34×10×0.23
=7.7×0.34+0.34×2.3
=0.34×(7.7+2.3)
=0.34×10
=3.4
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