Explicație pas cu pas:
Salutare! ¯\_(ツ)_/¯
[tex]a) \frac{ \sqrt{2} }{3} + \frac{3 \sqrt{2} }{4} - \frac{5 \sqrt{2} }{7} [/tex]
[tex] \frac{28 \sqrt{2} }{84} + \frac{63 \sqrt{2} }{ 84 } - \frac{60 \sqrt{2} }{84} [/tex]
[tex] \frac{31 \sqrt{2} }{84} [/tex]
[tex]b) - \frac{ \sqrt{6} }{8} + \frac{5 \sqrt{6} }{12} - \frac{2 \sqrt{6} }{3} [/tex]
[tex] - \frac{3 \sqrt{6} }{24} + \frac{10 \sqrt{6} }{24} - \frac{16 \sqrt{6} }{24} [/tex]
[tex] \frac{ - 9 \sqrt{6} }{24} = - \frac{3 \sqrt{6} }{8} [/tex]
jsksksksk ( ˘ ³˘)♥︎