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Автор - merzlyakk

f=(a+b)*(a+b)



помогите решить,пожалуйста

Ответ

Автор - alinarokickaa
f=(a+b)×(a+b)
f =  {(a + b)}^{2}  \ f =  {a}^{2}  + 2ab +  {b}^{2}

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