Автор - geymervvloger

1) (1- 4/9) : (1/3-14) 2) (5/7-2/3) : (4/9-5/51) помогите. срочно скоро в школу в​

Ответ

Автор - Yggdrasill09

Ответ:

1)-frac{5}{123}\\2)frac{51}{371}

Пошаговое объяснение:

I)(1-frac{4}{9}):(frac{1}{3}-14)=-frac{5}{123}\\1)1-frac{4}{9}=frac{9-4}{9}=frac{5}{9}\\2)frac{1}{3}-14=frac{1-42}{3}=-frac{41}{3}\\3)frac{5}{9}:(-frac{41}{3})=frac{5}{9}*(-frac{3}{41})=-frac{5}{123}\\II)(frac{5}{7}-frac{2}{3}):(frac{4}{9}-frac{5}{51})=frac{51}{371}\\1)frac{5}{7}-frac{2}{3}= frac{15-14}{21}=frac{1}{21}\\2)frac{4}{9}-frac{5}{51}=frac{68-15}{153}=frac{53}{153}\\3)frac{1}{21}:frac{53}{153}=frac{1}{21}*frac{153}{53}=frac{51}{371}

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