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2 supra 3 = 7 supra 3 va rog ajutati-ma dau coroana​

Răspuns :

Nu ai scris corect cerinta

Varianta 1 de scriere

[tex]\bf \dfrac{2}{3} +\dfrac{7}{3}=\dfrac{2+7}{3}=\dfrac{9^{(3}~}{3} =\dfrac{3}{1}=3[/tex]

Varianta 2 de scriere

[tex]\bf \dfrac{2}{3} -\dfrac{7}{3}=\dfrac{2-7}{3}=\dfrac{-5~}{3} =-\dfrac{5}{3}[/tex]