9.89×1.7+1.1×0.7,简便计算?
展开全部
9.89*1.7+1.1*0.7
=9.89*(1+0.7)+1.1*0.7
=9.89+9.89*0.7+1.1*0.7
=9.89+0.7*(9.89+1.1)
=9.89+0.7*10.99
=9.89+7.693
=17.583
=9.89*(1+0.7)+1.1*0.7
=9.89+9.89*0.7+1.1*0.7
=9.89+0.7*(9.89+1.1)
=9.89+0.7*10.99
=9.89+7.693
=17.583
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