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2023年歐幾里得競賽真題&解析及分數(shù)線預測！

發(fā)布時間：2023-04-10 09:56:30

編輯：李莎來源：未知瀏覽：次

歐幾里得競賽考試真題有嗎？2023年歐幾里得競賽已經(jīng)結束，比賽的真題以及解析有很多同學在找小編，對此，小編已快馬加鞭的幫助大家匯整出來，關于2023年的歐幾里得競賽的真題及解析，大家有需要的可以在線咨詢領取。

歐幾里得競賽

是由加拿大滑鐵盧大學所舉辦的高中生數(shù)學競賽。每年都有全球超過20000名學生參加該競賽。該競賽結合了簡答題和解決方案類的問題，并且最后幾個問題是最具挑戰(zhàn)性的。旨在讓學生們能夠練習如何完整的描述出自己的想法。

2023歐幾里得真題&解析

第1題

A Note about Bubbling

Please make sure that you have correctly coded your name, date of birth and grade on the Student Information Form, and that you have answered the question about eligibility.

(a) The average of n, 2n, 3n, 4n, 5n is 18. What is the value of n?
(b) Suppose that 2x +y= 5 and x + 2y= 7. What is the average of and y?
(c) The average of t2, 2t and 3 is 9.If t <0, determine the value of t.

答案解析

第2題

(a) If Q(5,3) is the midpoint of the line segment withendpoints P(1,p)and R(r,5),what are the values of p and r?
(b)A line with slope 3 and another line with slope -1 intersect at P(3,6). What is the distance between the x-intercepts of the two lines?
(c) For some value of t, the line with equation y=tx+t is perpendicular to the line with equation y=2x+ 7. Determine the point of intersection of these two lines.

答案解析

第3題

(a) The positive divisors of 6 are 1, 2, 3, and 6. What is the sum of the positive divisors of 64?
(b) Fionn wrote 4 consecutive integers on a whiteboard.Lexi came along and erased one of the integers. Fionn noticed that the sum of the remaining integers was 847. What integer did Lexi erase?
(c) An arithmetic sequence with 7 terms has first term d2 and common difference d. The sum of the 7 terms in the sequence is 756. Determine all possible values of d.

(An arithmetic sequence is a sequence in which each term after the first is obtained from the previous term by adding a constant, called the common difference. For example, 3,5,7,9 are the first four terms of an arithmetic sequence.)

答案解析

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2023歐幾里得分數(shù)線預測

以下為近年來歐幾里得分數(shù)線，僅供大家參考！

歐幾里得數(shù)學競賽歷年分數(shù)線
年份	證書	Honor Roll
2022	68	86
2021	69
2020	疫情原因，無數(shù)據(jù)
2019	68	83
2018	64	79
2017	64	79
2016	65	80
2015	52	72
2014	60	79
2013	60	79
2012	56	78
2011	59	80

根據(jù)歐幾里得歷年考試及分數(shù)線情況的數(shù)據(jù)，可以得出以下結論：

要獲得前25%的成績，通常需要得到70分左右，只需正確回答7至8道題目即可獲得證書；
如果想晉級前5%，則需要至少順利完成9道題目，成績線通常在85分左右；
想要獲得頂級成績，需要保持在95分以上，且需要攻克高難度問題。

2023歐幾里得分數(shù)公布及查詢

歐幾里得競賽成績公布時間

　　歐幾里得數(shù)學競賽考試結束后，一般會在3個星期后在CEMC官網(wǎng)公布考分成績。(獲獎證書也差不多會在這個時間段寄出)

歐幾里得考試成績查分方法

參賽學生登錄CEMC官網(wǎng)

(https://www.cemc.uwaterloo.ca/contests/euclid.html)，點擊Contest，然后再點擊Results。在Results里點擊GaussResults下方的submittedonline，進入之后輸入用學校注冊號以及密碼登錄系統(tǒng)就可以到查詢歐幾里得數(shù)學競賽成績。