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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 9: $(a\sqrt\frac{a}{b} + 2\sqrt{ab}+b\sqrt\frac{b}{a})\sqrt{ab}$

Toán Lớp 9: $(a\sqrt\frac{a}{b} + 2\sqrt{ab}+b\sqrt\frac{b}{a})\sqrt{ab}$

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222-9+11+12:2*14+14 = ? ( )

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