求解！要过程！多谢！ 5
2个回答
展开全部
27/5-[(-10/5+17/5)-(46/15-18x3/5x3)]
=27/5-[(7/5)-(46/15-54/15)]
=27/5-[(7/5)-(-8/15)]
=27/5-[7/5+8/15]
=27/5-[7x3/5x3+8/15]
=27/5-[21/15+8/15]
=27/5-[+29/15]
=27/5-29/15
=[27x3/5x3]-29/15
=81/15-29/15
=52/15
=3 7/15
=27/5-[(7/5)-(46/15-54/15)]
=27/5-[(7/5)-(-8/15)]
=27/5-[7/5+8/15]
=27/5-[7x3/5x3+8/15]
=27/5-[21/15+8/15]
=27/5-[+29/15]
=27/5-29/15
=[27x3/5x3]-29/15
=81/15-29/15
=52/15
=3 7/15
本回答由网友推荐
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
