Question

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

Answer 1

Nu ai scris corect cerinta

Varianta 1 de scriere

$\bf \dfrac{2}{3} +\dfrac{7}{3}=\dfrac{2+7}{3}=\dfrac{9^{(3}~}{3} =\dfrac{3}{1}=3$

Varianta 2 de scriere

$\bf \dfrac{2}{3} -\dfrac{7}{3}=\dfrac{2-7}{3}=\dfrac{-5~}{3} =-\dfrac{5}{3}$