Ответ:
1) x3 + y3=(x+y)(x2-xy+y2)
2) x3-y3=(x-y)(x2+xy+y2)
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Ответ:
1) x3 + y3=(x+y)(x2-xy+y2)
2) x3-y3=(x-y)(x2+xy+y2)
Ответ: