wzory skróconego mnożenia
0 7 fiszek damiangorgosz
Pytanie  |
Odpowiedź |
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(a+b)2 =
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= a2 + 2ab + b2
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(a - b) 2 =
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= a2 - 2ab +b2
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a2 - b2 =
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= (a - b) * (a+b)
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(a+b)3 =
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a3 + 3a2b + 3ab2 + b3
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(a-b)3 =
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= a3 - 3a2b+3ab2-b3
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a3+b3 =
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= (a+b) * (a2-ab+b2)
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a3-b3 =
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= (a-b)*(a2+ab+b2)
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