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2010 澳洲 AMC E-Senior 真题 答案 详解

分类：澳洲 AMC 标签：auamc E-Senior 发布：2010-10-02

2010 年 E-Senior 真题,中英双语,答案,详解

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文件说明大小页数
2010-E-Senior-paper-eng-zh.pdf 中英双语真题 1.62MB 6 页
2010-E-Senior-paper-eng.pdf 英文真题 81.26KB 7 页

中英双语真题

Advanced Exam (11-12th Grade)

1-10 questions, 3 points each

  1. The expression (2010 - 20.10) equals: (A) 1990.09 (B) 1990.9 (C) 1989.09 (D) 1989.9 (E) 1998.9

  2. If (m = 3) and (n = -\frac{3}{5}), then (\frac{m}{n}) equals: (A) -5 (B) 5 (C) (-\frac{9}{5}) (D) (-\frac{5}{3}) (E) 15

  3. The midpoint of segment (PQ) is (M(-4,6)). Given that point (Q) has coordinates ((10,12)), what are the coordinates of point (P)? (A) (-18,0) (B) (-18,18) (C) (-10,0) (D) (3,9) (E) (3,18)

  4. Which number is 63 equal to 87.5% of? (A) 45 (B) 70 (C) 72 (D) 74 (E) 75

  5. What percentage of the total area of the large square does the shaded part occupy? (A) 6.25% (B) 10% (C) 12.5% (D) 16% (E) 25%

  6. There are seven positive integers: 8, 10, 24, 28, 23, 9, (x). Their median and mean are both (x). What is the value of (x)? (A) 15 (B) 17 (C) 19 (D) 21 (E) 23

中英双语真题

英文真题

Senior Division
Questions 1 to 10, 3 marks each

  1. The value of (2010 - 20.10) is
    (A) 1990.09 (B) 1990.9 (C) 1989.09 (D) 1989.9 (E) 1998.9

  2. If (m = 3) and (n = \frac{3}{5}), then (\frac{m}{n}) equals
    (A) -5 (B) 5 (C) (-\frac{9}{5}) (D) (-\frac{5}{3}) (E) 15

  3. The midpoint of (PQ) is (M(-4,6)). The point (Q) has coordinates ((10,12)). The point (P) is
    (A) (-18,0) (B) (-18,18) (C) (-10,0) (D) (3,9) (E) (3,18)

  4. The number 63 is 87.5% of which number?
    (A) 45 (B) 70 (C) 72 (D) 74 (E) 75

  5. What percentage of the largest square is covered by the shaded square?
    (A) 6.25% (B) 10% (C) 12.5% (D) 16% (E) 25%

  6. Seven scores 8, 10, 24, 28, 23, 9 and (x), have the property that the mean and median are both (x). The value of (x) is
    (A) 15 (B) 17 (C) 19 (D) 21 (E) 23

英文真题