Предмет: Алгебра, автор: zebra2281

Помогите! Упр. 407 под буквами г,д.

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Автор ответа: yyyugyeom

1

` - степень
Г) (7p+q)(49p`2-pq+q`2)
(7p)`3=q`3
343p`3+q`3

д) (1/2x-1/3y)(1/4x`2+1/6xy+1/9y`2)
(1/2x`2)-(1/3y)`3
1/8x`3-1/27y`3

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