Top PDF 2017澳洲AMC中學中級組參考解法

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2017澳洲AMC中學中級組中文試題

(A) 1:1 (B) 1:2 (C) 1:3 (D) 2:3 (E) 3:4 12. ⼀個矩形游泳池的⾧為 50 m、寬為 20 m。這游泳池被分割為⼗條⽔道，每條⾧ 為 50 m、寬為 2 m，並依序編號為 1 號⾄ 10 號。 當我沿著其中⼀條⽔道的線游完單程後，沿著游泳池邊⾛回原出發點時，我注 意到我所⾛的⾧度⽐我游泳的⾧度還多 20%。

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2017澳洲AMC中學中級組英文試題

1 8 22 22 43 43 43 What is the smallest n for which 2017 is in the sequence of centred n-gon numbers? 29. I have a large number of toy soldiers, which I can arrange into a rectangular array consisting of a number of rows and a number of columns. I notice that if I remove 100 toy soldiers, then I can arrange the remaining ones into a rectangular array with 5 fewer rows and 5 more columns.

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2017澳洲AMC中學初級組中文試題

11. ⼩艾玩⽂字遊戲。每撥動⽼爺鐘⼀下，她就將兩個字母互換位置。請問她最少要 撥動幾下⽼爺鐘才能將 WORDS 變成 SWORD？ (A) 3 (B) 4 (C) 6 (D) 7 (E) 8 12. 圖的⾵⾞星形是將⼀個直⾓三⾓形圍繞它的⼀個頂點旋轉

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2017澳洲AMC中學初級組英文試題

19. Farhad, Greg and Huong were dismantling their marble madness machine and had 2017 marbles to share. They split them so that Farhad had exactly twice as many as Greg, and Greg had twice as many as Huong, with as few left over as possible. How many marbles were in Farhad’s share?

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2017澳洲AMC中學高級組中文試題

⽽構成的。請問圖標記有紅點上的⾓之度數為何？ (A) 30 ◦ (B) 40 ◦ (C) 45 ◦ (D) 50 ◦ (E) 60 ◦ 6. ⼩艾玩⽂字遊戲。每撥動⽼爺鐘⼀下，她就將兩個字母互換位置。請問她最少要 撥動幾下⽼爺鐘才能將 WORDS 變成 SWORD？

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2017澳洲AMC中學高級組英文試題

1 8 22 22 43 43 43 What is the smallest n for which 2017 is in the sequence of centred n-gon numbers? 29. A friend and I play a game. We each start with two coins. We take it in turns to toss a coin; if it comes down heads, we keep it, if tails, we give it to the other. I always go first, and the game ends when one of us wins by having all four coins.

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2018澳洲AMC中學中級組中文試題

Republication, systematic copying, or multiple reproduction of any part of this material is permitted only under license from the Chiuchang Mathematics Foundation.. Requests for such [r]

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2018澳洲AMC中學中級組英文試題

Four of the diagrams below show this object viewed from diﬀerent angles, but one diagram shows a diﬀerent object... Allan and Zarwa are playing a game tossing a coin.[r]

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