先化簡再求值:(x+1一)×,其中x=-

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問題詳情:

  先化簡再求值:(x+1一 先化簡再求值:(x+1一)×,其中x=- 先化簡再求值:(x+1一)×,其中x=- 第2張,其中x=- 先化簡再求值:(x+1一)×,其中x=- 第3張

【回答】

解: 先化簡再求值:(x+1一)×,其中x=- 第4張

= 先化簡再求值:(x+1一)×,其中x=- 第5張··································································· 1分

= 先化簡再求值:(x+1一)×,其中x=- 第6張························································································ 2分

= 先化簡再求值:(x+1一)×,其中x=- 第7張························································································ 3分

= 先化簡再求值:(x+1一)×,其中x=- 第8張···································································································· 4分

 先化簡再求值:(x+1一)×,其中x=- 第9張= 先化簡再求值:(x+1一)×,其中x=- 第10張時·················································· 5分

原式= 先化簡再求值:(x+1一)×,其中x=- 第11張= 先化簡再求值:(x+1一)×,其中x=- 第12張······················································································· 6分

知識點:分式的運算

題型:解答題

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