Ответ:
(−b−1)(a+2) = -ab-2b-a-2
(−6−p)(m−5) = -6m+30-pm+5p
(2,7t+4,5)⋅(5t+9) = 13,5t²+24,3t+22,5t+40,5 = 13,5t²+46,8t+40,5
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Ответ:
(−b−1)(a+2) = -ab-2b-a-2
(−6−p)(m−5) = -6m+30-pm+5p
(2,7t+4,5)⋅(5t+9) = 13,5t²+24,3t+22,5t+40,5 = 13,5t²+46,8t+40,5