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oanhbep
2 năm trước
bài 1 : thu gọn $\frac{1}{2}$x . $\frac{1}{4}$$x^{2}$ . \frac{$x^{3}$ }{8} . 2y . 4$y^{2}$ . 8$y^{3}$ bài 2 : viết đơn thức sau dưới dạng tích 2 đơn thức trong đó 1 đơn thức là 3$x^{3}$$y^{2}$ z 2^2 y^2 z^2
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