C
chem12


pro nao giup tui voi mai em kt roi
giai hpt:[√(x-1) ] -y[1- 2√(x-1) ] =5
y^2+ y[√(x-1)]+x =8
giai hpt:[√(x-1) ] -y[1- 2√(x-1) ] =5
y^2+ y[√(x-1)]+x =8
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