August 2022 1 7 Report
Напишите вместо точек выражение,чтобы равенство было верным
1)а^2-6ab+...=(a-3b)
2)x^2+25y^2=(x-5y)^2-...
3)4x^2+49y^2=(2x-7y)^2+...
4)36a^2+84ab+..=(6a+7b)^2
ПОМОГИТЕ СРОЧНО ДАЮ 20 БАЛЛОВ!!!!!!!!!!!!
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