2023成都中考数学试卷 (2023成都中考英语听力材料)

西安娱乐 05-05 阅读:55 评论:0

第一部分 单选题

  1. 下列各数中,最大的数是()
    1. 0.5
    2. 0.65
    3. 0.55
    4. 0.6
  2. 下列图形中,是轴对称图形的是()
    1. 正方形
    2. 三角形
    3. 梯形
  3. 下列方程中,解为2的是()
    1. x + 4 = 5
    2. 2023成都中考数学试卷 (2023成都中考英语听力材料)
    3. 2x - 5 = 3
    4. x - 1 = 3
    5. 3x + 1 = 7
  4. 下列统计图中,反应平均值最大的是()

第二部分 填空题

  1. 2的平方根是______
  2. 一个圆的周长是2π,求这个圆的半径是多少______
  3. 解不等式:x - 3 < 5,得______
  4. 求出方程组:
    1. x + y = 5
    2. x - y = 1
    的解______

第三部分 解答题

  1. 解方程:
    1. 2x + 5 = 11
  2. 求出下列几何图形的面积:
    1. 长为6cm,宽为4cm的长方形
    2. 半径为5cm的圆
  3. 一个班有50名学生,其中男生的人数是女生的1.2倍。求这个班的男生人数和女生人数。
  4. 如图,在半径为5cm的圆O中,过圆心O作直径AB,弦CD∥AB,CD的长为6cm。求阴影部分的面积。
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