Объяснение:
(x+y)(x²+xy+y²)
x*x²+x*xy+x*y²+y*x²+y*xy+y*y²
x³+x²y+xy²+yx²+xy²+y³
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Объяснение:
(x+y)(x²+xy+y²)
x*x²+x*xy+x*y²+y*x²+y*xy+y*y²
x³+x²y+xy²+yx²+xy²+y³