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25 tháng 11 2021

https://meet.google.com/iuk-oyvs-xnk

25 tháng 11 2021

có ai vô chơi , học đi

14 tháng 10 2021

lớp 7 nha bạn

5 tháng 11 2021

khi nào vô

 

20 tháng 5 2022

:)

20 tháng 5 2022

Spam à báo cáo nhá

12 tháng 2 2018

\(xy+\sqrt{x}+\sqrt{y}-2018\sqrt{xy}-\text{|}xy+2\text{|}=0.\)

tìm giá trị của x,y  , lớp 6 nhé

12 tháng 2 2018

Bạn thử giải xem

xy-x-y=-1

x^2-y^2=1

...
Đọc tiếp

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3
24 tháng 10 2021

j đó

24 tháng 10 2021

j là j

29 tháng 3 2022

khong nhu cầu, tiện câu này hỏi luôn bạn và mọi người : cách trị ny khong rep tin nhắn.-?

29 tháng 3 2022

lần sau đừng đăng linh tinh nhé

28 tháng 11 2021

Tiếc :v Em đang học online T^T

28 tháng 11 2021

Sầu lắm í =))