Question

Решите плизз подробно

Answer 1

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