2025年山西省中考名校联考（二）数学试题及答案.pdf

2025年山西省名校联考（二）

数学试题参考答案和评分建议

一、选择题（每小题3分，共30分）

题号12345678910

答案CABCBCBBAD

二、填空题（每小题3分，共15分）

4016

11.＜12.90013.714.315.210

33

三、解答题（本大题共8个小题，共75分）

16.（本题共10分）

11

（1）原式-1+-·········································································3分

÷（）·

46

3

-1-·····················································································4分

2

5

-.·······················································································5分

2

(y)24x

xy

（··

2）原式····················································6分

()((x

xyxy)y)(xy)

22

x2y4

xyxy

·····································································7分

()()

xyxy

2

x

(y)

·············································································8分



(xy)(xy)

xy

.·······················································································9分

xy



121

把x-1，y2代入上式得：原式