Ответ:
(2y+5)³+(y-2)³=8y³+60y²+150y+125+y³-6y²+12y-8=
=9y³+54y²+162y+117
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Ответ:
(2y+5)³+(y-2)³=8y³+60y²+150y+125+y³-6y²+12y-8=
=9y³+54y²+162y+117