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21年欧几里得数学竞赛题及解析

Category: 国际竞赛, 数学国际竞赛 Date: 2022年1月19日下午3:31

21年欧几里得数学学术活动题及解析对于今年备战的人来说是非常重要的，那么小编汇总了2021年的真题，供大家参考，如果想要近十年的欧几里得数学学术活动真题，皆可领取，下面就先来看看2021年的真题吧。大家在备战的时候一定要研读真题的形式，出题的范围等。

（篇幅有限，本文对于学术活动真题做了缩减，可扫码免费领取完整版，学术活动资料/报名通道都可前来咨询）

2021 EuclidContest真题：

2021 EuclidContest

The CENTRE for EDUCATION
in MATHEMATICS and COMPUTING
cemc.uwaterloo.ca
Euclid Contest
Wednesday, April 7, 2021
(in North America and South America)
Thursday, April 8, 2021
(outside of North America and South America)

Calculating devices are allowed, provided that they do not have any of the followingfeatures: (i) internet access, (ii) the ability to communicate with other devices, (iii)information previously stored by students (such as formulas, programs, notes, etc.),(iv) a computer algebra system, (v) dynamic geometry software.
Parts of each question can be of two types:
1. SHORT ANSWER parts indicated by
• worth 3 marks each
• full marks given for a correct answer which is placed in the box
• part marks awarded only if relevant work is shown in the space provided
2. FULL SOLUTION parts indicated by
• worth the remainder of the 10 marks for the question
• must be written in the appropriate location in the answer booklet
• marks awarded for completeness, clarity, and style of presentation
• a correct solution poorly presented will not earn full marks
WRITE ALL ANSWERS IN THE ANSWER BOOKLET PROVIDED.
• Extra paper for your finished solutions supplied by your supervising teacher must be inserted into your answer booklet. Write your name, school name, and question number on any inserted pages.
• Express answers as simplified exact numbers except where otherwise indicated. For example, π + 1 and 1 − √2 are simplified exact numbers.
Do not discuss the problems or solutions from this contest online for the next 48 hours.
The name, grade, school and location, and score range of some top-scoring students will be published on our website, cemc.uwaterloo.ca. In addition, the name, grade, school and location, and score of some top-scoring students may be shared with other mathematical organizations for other recognition opportunities.