traiphuhoa
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[FONT=.VnTime] Cac ban giai ho minh he phuong trinh nay voi (gom 2 phuong trinh (1) va (2)). Nhin co ve don gian nhung minh lam mai khong ra.hic...hic...[/FONT]
[FONT=.VnTime] x3+y3=1 (1)[/FONT]
[FONT=.VnTime] x5+y5=1 (2)[/FONT]
[FONT=.VnTime] x3 la x mu 3; x5 la x mu 5; y3 la x mu 3; y5 la y mu 5.Minh la thanh vien moi nen chua biet su dung phan mem toan hoc.[/FONT]
[FONT=.VnTime] x3+y3=1 (1)[/FONT]
[FONT=.VnTime] x5+y5=1 (2)[/FONT]
[FONT=.VnTime] x3 la x mu 3; x5 la x mu 5; y3 la x mu 3; y5 la y mu 5.Minh la thanh vien moi nen chua biet su dung phan mem toan hoc.[/FONT]