江西省抚州市南丰县2018-2019学年下学期期中考试七年级数学试题

成绩查询:登录zhixue.com或扫描二维码下载App (用户名和初始密码均为准考证号) 南丰县2018-2019学年度下学期期中考试南丰县2018-2019学年度下学期期中考试 七年级数学答题卡七年级数学答题卡 考号：考号： 姓名：姓名： 班级：班级： 注意事项注意事项 1．答题前，请将姓名、班级、考场、 准考证号填写清楚。 2．客观题答题必须使用2B铅笔填涂， 修改时用橡皮擦干净。 3．主观题使用黑色笔书写。 4．必须在题号对应的答题区内作答， 超出答题区书写无效。 5．保持答卷清洁、完整。 正确填涂正确填涂 缺考标记缺考标记 准考证号 [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] 一、选择题（每题一、选择题（每题3分，共分，共18分）分） 1 [A] [B] [C] [D] 2 [A] [B] [C] [D] 3 [A] [B] [C] [D] 4 [A] [B] [C] [D] 5 [A] [B] [C] [D] 6 [A] [B] [C] [D] 二、填空题（每题二、填空题（每题3分，共分，共18分）分）  ​7.  ​  ​ ​ ​​8.  ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​9. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 10. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​11. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​12. ​​​​​​​​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 三、解答题（本大题共三、解答题（本大题共5小题，每题小题，每题6分，共分，共30分）分） 13. ​（1）计算： 　 　 　 　 　 　 　 　 　 　 （2） 第1页 共6页 14.化简求值： ​  ​，其中 　 　 15. ​ 16. 　 第2页 共6页 17. ​ 解：∵ AB ∥ CD （已知） ∴ ∠A =  ​ ​ ​ ​ ​ ​ ​（两直线平行，内错角相等） 又∵ ∠A = ∠D（  ​ ​ ​ ​ ​ ​ ） ∴ ∠  ​ ​ ​ ​ ​ ​ ​ = ∠  ​ ​ ​ ​ ​ ​ ​ ​ ​ （等量代换） ∴ AC ∥ DE （  ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ） ∴∠ACB=∠E (  ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ) 　 　 　 四、解答题（每题四、解答题（每题8分，共分，共24分）分） 18. ​ 第3页 共6页 19. ​(1)阴影部分的面积是 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ (写成平方差的形式)。 (2)长方形AHDE的面积是 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ (写成多项式相乘的形式) (3)可得乘法公式 ： ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​。 (4)利用所得公式计算： ​​​​​​​ 20. ​ 　 　 第4页 共6页 五、解答题（每题五、解答题（每题9分，共分，共18分）分） 21. ​(1)小明家到学校的路程是 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​米。 (2)小明在书店停留了 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 分钟。 (3)本次上学途中，小明一共行驶了 ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 米。 (4) 　 　 　 22. （1） ​请写出