先化简再求值:(x+1一)×,其中x=-

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问题详情:

  先化简再求值:(x+1一 先化简再求值:(x+1一)×,其中x=- 先化简再求值:(x+1一)×,其中x=- 第2张,其中x=- 先化简再求值:(x+1一)×,其中x=- 第3张

【回答】

解: 先化简再求值:(x+1一)×,其中x=- 第4张

= 先化简再求值:(x+1一)×,其中x=- 第5张··································································· 1分

= 先化简再求值:(x+1一)×,其中x=- 第6张························································································ 2分

= 先化简再求值:(x+1一)×,其中x=- 第7张························································································ 3分

= 先化简再求值:(x+1一)×,其中x=- 第8张···································································································· 4分

 先化简再求值:(x+1一)×,其中x=- 第9张= 先化简再求值:(x+1一)×,其中x=- 第10张时·················································· 5分

原式= 先化简再求值:(x+1一)×,其中x=- 第11张= 先化简再求值:(x+1一)×,其中x=- 第12张······················································································· 6分

知识点:分式的运算

题型:解答题

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