Предмет: Математика, автор: jjjhhyvyvcyc

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IUV: спамер
https://znanija.com/task/49327773

Ответы

Автор ответа: Ляляляля109

0

$ab^{2}*3ac=3a^{2}b^{2}c$

$y=-14*5=-70$

$-7a(-6c^{2})=42ac^{2}$

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