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Автор - Sanileki7777

Решите пожалуйста даю 70 баллов! В первом там а) (b-c)^2-b(b+2c)
Б) a^4*(a^3)^2

Ответ

Проверено экспертом

Автор - rakhmetov003

a)b^2-2bc+c^2-b^2-2bc=-4bc+c^2

b)a^4*a^6=a^10

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