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ngohue25803
2 năm trước
Giúp với ạ! Đang cần gắp lắm Tìm x để căn thức có nghĩa: a) $\sqrt{-3x +2}$ b) $\sqrt{\frac{-4}{-2x+3} }$ c) $\sqrt{x+2}$ +$\sqrt{3-x}$ d) $\frac{2}{\sqrt{x+4}-1}$
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