题目

计算：+＝    ． 答案：x+1 ． 【分析】原式变形后，利用同分母分式的减法法则计算即可得到结果． 【解答】解：原式＝﹣＝＝x+1． 故答案为：x+1 【点评】此题考查了分式的加减法，熟练掌握运算法则是解本题的关键．--- _____ do you ______the book?--- It’s very interesting.A. What; think of B. What; likeC. How; think D. What; think