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 ","120"]}]]}],["$","h1",null,{"children":["Номер 120"," — ГДЗ ","алгебра"," ",8," класс ","Мерзляк"]}],[["$","section","11877",{"children":[false,["$","div",null,{"className":"sheet-card statement","children":[["$","p",null,{"children":["$","b",null,{"children":["№ 120","."]}]}],["$","div",null,{"dangerouslySetInnerHTML":{"__html":"

Упростите выражение:

\n 1) 9m² – 3mn + n²/3m – n – 9m² + 3mn + n²/3m + n;
\n 2) 1 – 2b – 1/4b² – 2b + 1 – 2b/2b + 1.\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-119","children":["← ","Номер 119"]}]," · ",["$","a",null,{"href":"/gdz/algebra/8-klass/merzlyak/nomer-121","children":["Номер 121"," →"]}]," · ",["$","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 120\",\"text\":\"Упростите выражение: 1) 9m² – 3mn + n²/3m – n – 9m² + 3mn + n²/3m + n; 2) 1 – 2b – 1/4b² – 2b + 1 – 2b/2b + 1.\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Ответ: 1) –2n; 2) –2b/(2b + 1) или после упрощения: –2b(2b – 1)/(8b³ + 1)\"}},{\"@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 120\"}]}]"}}]]

Номер 120 — ГДЗ алгебра 8 класс Мерзляк