2008 澳洲 AMC C-Junior 真题 答案 详解

中英双语真题

Primary Exam (Grades 7-8)

1-10 questions, 3 points each

1. The sum of 2008 + 8002 equals: (A) 1010 (B) 4004 (C) 10008 (D) 8910 (E) 10010

2. Which option has the largest numerical value? (A) 2.15 (B) 2.2 (C) 2.08 (D) 2.1 (E) 2.185

3. What is the perimeter of the shape on the right in centimeters? (A) 8 (B) 10 (C) 12 (D) 16 (E) 20

4. Half of the number 199\frac{1}{2} is equal to: (A) 95\frac{1}{2} (B) 95\frac{3}{4} (C) 99\frac{1}{4} (D) 99\frac{1}{2} (E) 99\frac{3}{4}

5. In the diagram on the right, what is the value of x? (A) 135 (B) 95 (C) 35 (D) 55 (E) 45

6. The expression \frac{200×8}{200÷8} equals: (A) 1 (B) 8 (C) 16 (D) 64 (E) 200

7. How many different sized squares are there in total in the diagram on the right? (A) 9 (B) 11 (C) 12 (D) 14 (E) 16

英文真题

Junior Division
Questions 1 to 10, 3 marks each

1. The value of $2008 + 8002$ is
   (A) 1010 (B) 4004 (C) 10008 (D) 8910 (E) 10010

2. Which of the following numbers has the largest value?
   (A) 2.15 (B) 2.2 (C) 2.08 (D) 2.1 (E) 2.185

3. The perimeter of the figure, in centimetres, is
   (A) 8 (B) 10 (C) 12 (D) 16 (E) 20

4. One half of $199\frac{1}{2}$ is
   (A) $95\frac{1}{2}$ (B) $95\frac{3}{4}$ (C) $99\frac{1}{4}$ (D) $99\frac{1}{2}$ (E) $99\frac{3}{4}$

5. The value of $x$ is
   (A) 135 (B) 95 (C) 35 (D) 55 (E) 45

6. The value of $\frac{200 \times 8}{200 \div 8}$ is
   (A) 1 (B) 8 (C) 16 (D) 64 (E) 200

7. How many squares of any size are there in the diagram?
   (A) 9 (B) 11 (C) 12 (D) 14 (E) 16