Toán đại số lớp 8

M

maloimi456

a) [LATEX](2x^2 + 3y)^3 = 8x^6 + 36x^4y + 54x^2y^2 + 27y^3[/LATEX]
b) [LATEX](\frac{1}{2}x-3)^3 = \frac{1}{8}x^3 - \frac{9}{4}x^2 + \frac{27}{2}x - 27[/LATEX]
 
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