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Даю 30 б
(a + b)(a² + ab + b²) = a³+b³
(a + b)(a²- 2ab + b²) = a³+ b³
(a + b)(a²- ab + b²) = a³ + b³
(a - b)(a² – ab + b²) = a³ + b³
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Даю 30 б
(a + b)(a² + ab + b²) = a³+b³
(a + b)(a²- 2ab + b²) = a³+ b³
(a + b)(a²- ab + b²) = a³ + b³
(a - b)(a² – ab + b²) = a³ + b³
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Answers & Comments
(a + b)(a² + ab + b²) = a³ + b³ is correct.