Предмет: Алгебра, автор: fiyov

Помогите решить примеры
1. (9-y)²
2. (10+с)²

Ответы

Автор ответа: annasan97
0

Ответ:

{(9 - y)}^{2} = 81 - 18y + {y}^{2}

{(10 + c)}^{2} = 100 + 20c + {c}^{2}

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