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[tex] \frac{280}{1} - \frac{5}{13} [/tex]
[tex] \frac{39}{7} - \frac{1}{9} [/tex]

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Bremaauzi

Răspuns:

[tex] \frac{280}{1} - \frac{5}{13} = \frac{3640 - 5}{13} = \frac{3635}{13} [/tex]

[tex] \frac{39}{7} - \frac{1}{9} = \frac{351 - 7}{63} = \frac{344}{63} [/tex]

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