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Toán Lớp 9: c,$\sqrt{x+3}$ + $\sqrt{3x+1}$ = 2 $\sqrt{x}$ + $\sqrt{2x+2}$ (chuyển vế)

Home/ Toán Lớp 9: c,$\sqrt{x+3}$ + $\sqrt{3x+1}$ = 2 $\sqrt{x}$ + $\sqrt{2x+2}$ (chuyển vế)

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