宜兴2024秋学期九年级数学期中试卷答案及评分标准2024.11.pdfVIP

宜兴2024秋学期九年级数学期中试卷答案及评分标准2024.11.pdf

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2024年秋学期初三数学期中考试参考答案与评分标准

一、选择题(本大题共10小题,,每小题3分,共30分.)

1B2C3D4C5B6C7D8B9A10B

..........

二、填空题(本大题共小题,每小题分,共分.)

8324

18

11.12.13.1:1614.10

53

254585

,,

15.2016.60°17.4518.

555

三、解答题(本大题共9小题,共96分.)

(本题满分分)

19.16

2255

(1)(x2),x2·········································································2分

42

91

x1,x·······················································································4分

2

22

(2)2,(m1)(m14)0·············································2分

(m1)4(m1)0

m1m3

m10或m30,1,2····················································4分

()2分

3t2t150·······················································································1

(t3)(t5)0,t30或t50························································2分

t3t5

1,2·······················································································4分

()=,=-,=,2,分

4a2b4c1(4)42180······································2

22

x····································

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