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2023年欧几里得竞赛真题&解析及分数线预测！

发布时间：2023-04-10 09:56:30

编辑：李莎来源：未知浏览：次

欧几里得竞赛考试真题有吗？2023年欧几里得竞赛已经结束，比赛的真题以及解析有很多同学在找小编，对此，小编已快马加鞭的帮助大家汇整出来，关于2023年的欧几里得竞赛的真题及解析，大家有需要的可以在线咨询领取。

欧几里得竞赛

是由加拿大滑铁卢大学所举办的高中生数学竞赛。每年都有全球超过20000名学生参加该竞赛。该竞赛结合了简答题和解决方案类的问题，并且最后几个问题是最具挑战性的。旨在让学生们能够练习如何完整的描述出自己的想法。

2023欧几里得真题&解析

第1题

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题

(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题

(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欧几里得分数线预测

以下为近年来欧几里得分数线，仅供大家参考！

欧几里得数学竞赛历年分数线
年份	证书	Honor Roll
2022	68	86
2021	69
2020	疫情原因，无数据
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

根据欧几里得历年考试及分数线情况的数据，可以得出以下结论：

要获得前25%的成绩，通常需要得到70分左右，只需正确回答7至8道题目即可获得证书；
如果想晋级前5%，则需要至少顺利完成9道题目，成绩线通常在85分左右；
想要获得顶级成绩，需要保持在95分以上，且需要攻克高难度问题。

2023欧几里得分数公布及查询

欧几里得竞赛成绩公布时间

　　欧几里得数学竞赛考试结束后，一般会在3个星期后在CEMC官网公布考分成绩。(获奖证书也差不多会在这个时间段寄出)

欧几里得考试成绩查分方法

参赛学生登录CEMC官网

(https://www.cemc.uwaterloo.ca/contests/euclid.html)，点击Contest，然后再点击Results。在Results里点击GaussResults下方的submittedonline，进入之后输入用学校注册号以及密码登录系统就可以到查询欧几里得数学竞赛成绩。