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Efectuati:7 supra 6-paranteza 1 supra 3 +1 supra 2

Răspuns :

aducem la acelasi numitor in paranteza
7/6* (2+3)/6
7/6*5/6
35/6
[tex] \frac{7}{6} -( \frac{1}{3} + \frac{1}{2)} = \frac{7}{6} -( \frac{2}{6} + \frac{3}{6})= \frac{7}{6} - \frac{5}{6} =[/tex]=[tex] \frac{2}{6} = \frac{1}{3} [/tex]