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Toán Lớp 8: Làm tính cộng: $\frac{x^{2} + x + 1}{2x^{3} + 4x^{2} + 2x}$ + $\frac{x^{2} – x + 1}{2x^{3} – 2x}$ + $\frac{1}{1 + x – x^{2} – x^{3}}$

Home/ Toán Lớp 8: Làm tính cộng: $\frac{x^{2} + x + 1}{2x^{3} + 4x^{2} + 2x}$ + $\frac{x^{2} – x + 1}{2x^{3} – 2x}$ + $\frac{1}{1 + x – x^{2} – x^{3}}$