Rút gọn biểu thức sau:
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b. \( 2, 4a^3 - 12a^2b + \frac{1}{3} ab^2 \) + \( -3a^2b + \frac{ab^2}{3} - 2, 4a^3 + 6b^2 \)
c. \( (1, 2x - 3\frac{1}{2}v + 2) \) \( - ( \frac{1}{5}x - 2, 5y + 3) \)
d. \( (2x^2 + 3xy - 5y^2) + ( \frac{2}{5}xy + \frac{3}{4}x^2 - 2) + (5y^2 - 2x^2 - 3xy) \)
e. \( ( \frac{3}{7}x^2y - \frac{4}{11}xy + 6y^3) - (5x^2y + 3xy - 4y^3 + 1) + ( \frac{15}{11}xy + \frac{4}{7}x^2y - 4y^3 + 1) \)
b. \( 2, 4a^3 - 12a^2b + \frac{1}{3} ab^2 \) + \( -3a^2b + \frac{ab^2}{3} - 2, 4a^3 + 6b^2 \)
c. \( (1, 2x - 3\frac{1}{2}v + 2) \) \( - ( \frac{1}{5}x - 2, 5y + 3) \)
d. \( (2x^2 + 3xy - 5y^2) + ( \frac{2}{5}xy + \frac{3}{4}x^2 - 2) + (5y^2 - 2x^2 - 3xy) \)
e. \( ( \frac{3}{7}x^2y - \frac{4}{11}xy + 6y^3) - (5x^2y + 3xy - 4y^3 + 1) + ( \frac{15}{11}xy + \frac{4}{7}x^2y - 4y^3 + 1) \)