Question

Решите плизз подробно

Answer 1

$\frac8{29}+\frac{14}{29}-\frac{17}{29}=\frac{8+14-17}{29}=\frac5{29}\\\\7\frac5{31}-4\frac2{31}+2\frac{11}{31}=\frac{222}{31}-\frac{126}{31}+\frac{73}{31}=\frac{222-126+73}{31}=\frac{169}{31}=5\frac{14}{31}\\\\7\frac37-2\frac67=\frac{52}7-\frac{20}7=\frac{32}7=4\frac47$