Question

Efectuati:
a) 2 supra 3 - 1 supra 4 - 5 supra 6;
5 supra 8 - 2 supra 3 + 7 supra 6

b) 3 supra 5 - 4 supra 15 - 2 supra 3;
1 supra 2 + 7 supra 9 - 5 supra 3
Dau coroana!!

Answer 1

[tex] a) \frac{2}{3} - \frac{1}{4} - \frac{5}{6}= \frac{8-3-10}{12}= -\frac{5}{12} \\ \\ \frac{5}{8} - \frac{2}{3}+ \frac{7}{6} = \frac{15-16+28}{24}= \frac{27}{24} [/tex]