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Guest Viewing Topic:   $cos3x+11cosx=2(2sin2x+3cos2x+4)$ 24-05-2024 - 00:02 No options available
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Guest Viewing Topic:   CM:bđt Vasc sau: $(a^{2}+b^{2}+c^{2})^{2}\geq 3(a^{3}b+b^{3}c+c^{3}a)$ 24-05-2024 - 00:02 No options available
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Guest Viewing Topic:   ​$\left\{\begin{matrix} -20y^3-3y^2+3xy+x-y=0 & \\ x^2+y^2-3y=1& \end{matrix}\right.$ 24-05-2024 - 00:02 No options available
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