Математика. Формула сокращенного умножения Flashcards

1
Q

Разность квадратов

A

a² – b² = (a – b)(a + b)

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2
Q

Квадрат суммы двух чисел

A

(a + b)² = a² + 2ab + b²

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3
Q

Квадрат разности двух чисел

A

(a – b)² = a² – 2ab + b²

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4
Q

Сумма кубов

A

a³ + b³ = (a + b) × (a² – ab + b²)

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5
Q

Разность кубов

A

a³ – b³ = (a – b) × (a² + ab + b²)

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6
Q

Куб суммы двух чисел

A

(a + b)³ = a³ + 3a²b + 3ab² + b³

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7
Q

Куб разности двух чисел

A

(a – b)³ = a³ – 3a²b + 3ab² – b³

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