Mathematical Olympiad in China (2021-2022): Problems and Solutions

Contents
Preface
Introduction
	Early Days
	International Mathematical Olympiad
	Winners of the IMO
	Mathematical competition in China
	Preparation for IMO
China Mathematical Competition (First Round)
	2020
		Test Paper A
		Test Paper B
	2021
		Test Paper A
			Test Paper A1
			Test Paper A2
		Test Paper B
			Test Paper B1
China Mathematical Competition (Second Round)
	2020
		Test Paper A
		Test Paper B
	2021
		Test Paper A
			Test Paper A1
			Test Paper A2
		Test Paper B
			Test Paper B1
China Mathematical Olympiad
	2020 (Changsha, Hunan)
		First Day
		Second Day
	2021 (Fuzhou, Fujian)
		First Day
		Second Day
China National Team Selection Test
	2021
		Test I, First Day
		Test I, Second Day
		Test II, First Day
		Test II, Second Day
		Test III, First Day
		Test III, Second Day
		Test IV, First Day
		Test IV, Second Day
	2022
		Test I, First Day
		Test I, Second Day
		Test II, First Day
		Test II, Second Day
		Test III, First Day
		Test III, Second Day
		Test IV, First Day
		Test IV, Second Day
Chinese Girls’ Mathematical Olympiad
	2020 (Yingtan, Jiangxi)
		First Day
		Second Day
	2021 (Changchun, Jilin)
		First Day
		Second Day
China Southeastern Mathematical Olympiad
	2020 (Zhuji, Zhejiang)
		10th Grade First Day
		Second Day
		11th Grade First Day
		Second Day
	2021 (Nanchang, Jiangxi)
		10th Grade First Day
		Second Day
		11th Grade First Day
		Second Day
Northern Star of Hope Mathematical Summer Camp
	2021 (Tongliao, Inner Mongolia)
		First Day
		Second Day
International Mathematical Olympiad
	2021 (Saint Petersburg, Russia)
		First Day
		Second Day
	2022 (Oslo, Norway)
		First Day
		Second Day