vậy bạn làm câu d của bài này giúp mình nhé
cho tam giác ABC có góc A bằng 60 độ. vẽ ngoài tam giác ABC các tam giác đều là ABM và ACN. gọi giao điểm của BN và CM là O. chứng minh OA là tia phân giác của góc MON

tìm x, y thuộc Z biết (x-2021)^2+(x-2022)^2022=2022^y-2021

tìm x, y thuộc Z biết (x-2021)^2+(x-2022)^2022=2022^y-2021

giải theo cách lớp 7 mà

Emperor Ly Thanh Tong founded The Temple of Literature in 1070. Now it is considered as one of the historic and cultural sites of Vietnam. And then in 1076 Emperor Ly Nhan Tong built The Imperial Academy as the first university of Vietnam.

In 1484, Emperor Le Thanh Tong built the first Doctor’s stone tablet there to memorize the devotion of Doctors. Now it is recognized as the World heritage by UNESCO. In 2003, the Ha Noi People Committee built four statues of Emperor Ly Thanh Tong, Emperor Ly Nhan Tong, King Le Thanh Tong, and Chu Van An who founded and developed Temple of Literature – Imperial Academy

The Temple of Literature is a very famous historic and cultural site of Viet Nam. It's established by Ly Thanh Tong in 1076. It was continuingly developed by the later Kings. In the Temple of Literature, there is the Imperial Academy. It was built by the Emperor Ly Nhan Tong. It's considered the first University of Vietnam. And in 1484, Emperor Le Thanh Tong built the first Doctor's stone tablet to memorize the contribution of Doctors. In 2010, the 82 Doctor's stone tablets were recognised as World Heritage by UNESCO. In 2003, Ha Noi People's Committee constructed the four statues of Chu Van An, Ly Thanh Tong, Ly Nhan Tong and Le Thanh Tong to memorize their contribution. Nowadays, the Temple of Literature is visited by a lot of tourists and students every year.