May 2021 1 192 Report
tim nghiem nguyen ve he phuong trinh.?

Cau 1:

Tim m de he pt :

x-y =m(1+xy)

2+x+y+xy = 0 co nghiem

Cau 2 tim m, n nguyen thoa

5²^m +17 =5^2n² + n²

Cam on rat nhieu.

Update:

Bài 2 là 5 mũ 2 roig lại mũ m , còn 5 bên kia là mũ 2n binh phương .

Giúp For với các anh ơi.

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