Toán Lớp 8: Thực hiện phép tính:
$a)$ $\frac{1}{2}a^{2}x^{4}+$ $\frac{4}{3}ax^{3}-$ $\frac{2}{3}ax^{2}:$ $(\frac{-2}{3}ax^{2})$
$b)$ $4(\frac{3}{4}x-1)+(12x^{2}-3x):(-3x)-(2x+1)$
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Toán Lớp 8: Thực hiện phép tính:
$a)$ $\frac{1}{2}a^{2}x^{4}+$ $\frac{4}{3}ax^{3}-$ $\frac{2}{3}ax^{2}:$ $(\frac{-2}{3}ax^{2})$
$b)$ $4(\frac{3}{4}x-1)+(12x^{2}-3x):(-3x)-(2x+1)$
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