July 2022 1 15 Report
Готовлюсь к ОГЭ, помогите с примерами ^^

1) (1 - 2ab/a²+b²)(a²+b²) =
2) (a²+b²/a + 2b) : a+b/b =

Фотографии ещё прикрепил, 4-е задания :)
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