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thangkhoyeucondadai


a[TEX]{x}^{2}-{y}^{2}=2010[/TEX])
b)[TEX]{x}^{2}+{y}^{2}=2007[/TEX]
c)[TEX]3{x}^{2}-4{y}^{2}=13[/TEX]
d)[TEX]19{x}^{2}+28{y}^{2}=2001[/TEX]
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giup mink nhanh nha thu hai mink phai nop bai oy
b)[TEX]{x}^{2}+{y}^{2}=2007[/TEX]
c)[TEX]3{x}^{2}-4{y}^{2}=13[/TEX]
d)[TEX]19{x}^{2}+28{y}^{2}=2001[/TEX]
______
giup mink nhanh nha thu hai mink phai nop bai oy
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