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2016 澳洲 AMC B-UpperPrimary 真题 答案 详解

分类：澳洲 AMC 标签：auamc B-UpperPrimary 发布：2016-10-05

2016 年 B-UpperPrimary 真题,中英双语,答案,详解

包含文件（3）
文件说明大小页数
2016-B-UpperPrimary-paper-eng-zh.pdf 中英双语真题 9.33MB 18 页
2016-B-UpperPrimary-paper-eng.pdf 英文真题 714.40KB 8 页
2016-B-UpperPrimary-solution-eng.pdf 真题文字详解(英文) 115.09KB 7 页

中英双语真题

1-10 Questions 1 to 10, 3 marks each

  1. 请问下列哪一项中的数最小？ Which of these numbers is the smallest?
    (A) 655 (B) 566 (C) 565 (D) 555 (E) 556

  2. 有两块披萨，每块都切为四等份，请问总共有多少份？ Two pizzas are sliced into quarters. How many slices will there be?
    (A) 2 (B) 10 (C) 6 (D) 8 (E) 16

  3. 在下列点阵中，连接点 P、Q、R 可以构成一个三角形 PQR。请问在三角形 PQR 的内部有多少个点？ Join the dots P, Q, R to form the triangle PQR. How many dots lie inside the triangle PQR?
    (A) 13 (B) 14 (C) 15 (D) 17 (E) 18

中英双语真题

英文真题

Upper Primary Division
Questions 1 to 10, 3 marks each

  1. Which of these numbers is the smallest?
    (A) 655 (B) 566 (C) 565 (D) 555 (E) 556

  2. Two pizzas are sliced into quarters. How many slices will there be?
    (A) 2 (B) 10 (C) 6 (D) 8 (E) 16

  3. Join the dots P, Q, R to form the triangle PQR.
    How many dots lie inside the triangle PQR?
    (A) 13 (B) 14 (C) 15 (D) 17 (E) 18

  4. 0.3 + 0.4 is
    (A) 0.07 (B) 0.7 (C) 0.12 (D) 0.1 (E) 7

英文真题

真题文字详解(英文)

Solutions - Upper Primary Division 1. (Also MP2) The numbers in order are 555, 556, 565, 566, 655, hence (D). 2. (Also MP6) One pizza will have 4 quarters, so two pizzas will have 2 × 4 = 8 quarters, hence (D). 3. The number of interior lattice points is 1 + 2 + 3 + 4 + 5 = 15, hence (C). 4. 0.3 + 0.4 = 0.7, hence (B). 5. (Also MP10) Alternative 1 In cents, 500 ÷ 80 = 6r20 so that he buys 6 chocolates and has 20 cents left, hence (C). Alternative 2 Multiples of 80 are 80, 160, 240, 320, 400, 480, 560. From this, he can afford 6 chocolates but not 7, hence (C). 6. (Also MP9) The opposite chair is both 5 places forward and 5 places back. Five places back from chair 9 is chair 4, hence (D).

真题文字详解(英文)