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dimulja
Так это же и есть многочлены!
Может нужно сделать так
(x+y)(x²-xy+y²)=x³+y³
(n²+m²+mn)(m-n)=m³-n³
(x+4)(x²-4x+16)=x³+4³=x³+64
(3a+2)(9a-6a+4)=3a³+2³=27a³+8
P.S. Мой тебе совет: учи формулы сокращённого умножения!!!

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