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2009 澳洲 AMC D-Intermediate 真题 答案 详解

分类：澳洲 AMC 标签：auamc D-Intermediate 发布：2009-10-09

2009 年 D-Intermediate 真题,中英双语,答案,详解

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2009-D-Intermediate-paper-eng-zh.pdf 中英双语真题 530.75KB 6 页
2009-D-Intermediate-paper-eng.pdf 英文真题 328.64KB 7 页

中英双语真题

Intermediate Paper (9-10 Grade)

1-10 questions, 3 points each

  1. Expression: $(2000+9)+(2000-9)$ equals
    (A) 4000 (B) 4009 (C) 200 (D) 2000 (E) 5000

  2. In the right figure, $x$ value equals
    (A) 140 (B) 122 (C) 80 (D) 90 (E) 98

  3. Expression: $\frac{1}{2} \times \frac{2}{3} \times \frac{3}{4} \times \frac{4}{5}$ equals
    (A) $\frac{1}{5}$ (B) $\frac{5}{7}$ (C) $\frac{1}{6}$ (D) $\frac{1}{15}$ (E) $\frac{1}{60}$

  4. Which option has the largest value?
    (A) $\frac{1}{3}$ (B) $\frac{1}{3} + \frac{1}{3}$ (C) $\frac{1}{3} \times \frac{1}{3}$ (D) $\frac{1}{3} - \frac{1}{3}$ (E) $\frac{1}{3} \div \frac{1}{3}$

  5. What number should be filled in the blank box so that the expression $0.1 \times 0.2 \times 0.3 \times 0.4 \times \square = 0.12$ is correct?
    (A) 500 (B) 50 (C) 5 (D) 0.5 (E) 0.05

  6. Given $3^k = 9^{30}$, then $k$ equals
    (A) 15 (B) 30 (C) 40 (D) 60 (E) 90

  7. Polynomial: $(x-y)-2(y-z)+3(z-x)$ equals
    (A) $-2x-3y+5z$ (B) $-2x-3y-z$ (C) $4x+y-z$ (D) $4x+3y-z$ (E) $2x+3y-5z$

  8. If point $(k,17)$ lies on the line connecting points $(1,5)$ and $(4,11)$, then $k$ equals
    (A) 37 (B) 14 (C) 8 (D) 6 (E) 7

中英双语真题

英文真题

Intermediate Division
Questions 1 to 10, 3 marks each

  1. ((2000 + 9) + (2000 - 9)) equals
    (A) 4000
    (B) 4009
    (C) 200
    (D) 2000
    (E) 5000

  2. In the diagram, (x) equals
    (A) 140
    (B) 122
    (C) 80
    (D) 90
    (E) 98

  3. The value of (\frac{1}{2} \times \frac{2}{3} \times \frac{3}{4} \times \frac{4}{5}) is
    (A) (\frac{1}{5})
    (B) (\frac{5}{7})
    (C) (\frac{1}{6})
    (D) (\frac{1}{15})
    (E) (\frac{1}{60})

  4. Which of the following has the largest value?
    (A) (\frac{1}{3})
    (B) (\frac{1}{3} + \frac{1}{3})
    (C) (\frac{1}{3} \times \frac{1}{3})
    (D) (\frac{1}{3} - \frac{1}{3})
    (E) (\frac{1}{3} \div \frac{1}{3})

  5. Which of the following values can replace the box so that
    (0.1 \times 0.2 \times 0.3 \times 0.4 \times \square = 0.12?)
    (A) 500
    (B) 50
    (C) 5
    (D) 0.5
    (E) 0.05

  6. If (3^k = 9^{30}) then (k) equals
    (A) 15
    (B) 30
    (C) 40
    (D) 60
    (E) 90

英文真题