5:[["$","div",null,{"className":"crumbs","children":[["$","span",null,{"children":["$","a",null,{"href":"/","children":"Главная"}]}],["$","span",null,{"children":["$","a",null,{"href":"/gdz","children":"ГДЗ"}]}],["$","span",null,{"children":["$","a",null,{"href":"/gdz/algebra/8-klass/merzlyak","children":["Алгебра"," ",8," класс ","Мерзляк"]}]}],["$","span",null,{"children":["Номер ","647"]}]]}],["$","h1",null,{"children":["Номер 647"," — ГДЗ ","алгебра"," ",8," класс ","Мерзляк"]}],[["$","section","11747",{"children":[false,["$","div",null,{"className":"sheet-card statement","children":[["$","p",null,{"children":["$","b",null,{"children":["№ 647","."]}]}],["$","div",null,{"dangerouslySetInnerHTML":{"__html":"

Докажите тождество:

\n 1) (a – 2b/a² + 2ab – 1/a² – 4b² : a + b/(2b – a)²) : a² – 2ab/a² + 4ab + 4b² = 2b/a²;
\n 2) (2a/a + 3 – 4a/a² + 6a + 9) · a² – 9/a + 1 – a² – 9a/a + 3 = a. \n

"}}]]}],["$","div",null,{"className":"notice","children":["Разбор этого задания готовится. Пока можно ",["$","a",null,{"href":"/reshit","children":"решить его по фото"}]," — ИИ объяснит по шагам."]}]]}]],["$","p",null,{"children":[["$","a",null,{"href":"/gdz/algebra/8-klass/merzlyak/nomer-646","children":["← ","Номер 646"]}]," · ",["$","a",null,{"href":"/gdz/algebra/8-klass/merzlyak/nomer-648","children":["Номер 648"," →"]}]," · ",["$","a",null,{"href":"/gdz/algebra/8-klass/merzlyak","children":"Все номера"}]]}],["$","script",null,{"type":"application/ld+json","dangerouslySetInnerHTML":{"__html":"[{\"@context\":\"https://schema.org\",\"@type\":\"Question\",\"name\":\"Алгебра 8 класс Мерзляк, номер 647\",\"text\":\"Докажите тождество: 1) (a – 2b/a² + 2ab – 1/a² – 4b² : a + b/(2b – a)²) : a² – 2ab/a² + 4ab + 4b² = 2b/a²; 2) (2a/a + 3 – 4a/a² + 6a + 9) · a² – 9/a + 1 – a² – 9a/a + 3 = a.\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Ответ: 1) Тождество доказано; 2) Тождество доказано\"}},{\"@context\":\"https://schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Главная\",\"item\":\"https://reshay.ai/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"ГДЗ\",\"item\":\"https://reshay.ai/gdz\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Алгебра 8 класс Мерзляк\",\"item\":\"https://reshay.ai/gdz/algebra/8-klass/merzlyak\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Номер 647\"}]}]"}}]]

Номер 647 — ГДЗ алгебра 8 класс Мерзляк