ВНИМАНИЕ ЗА ОТВЕТ ДАЮ 30 БАЛЛОВ
Раскройте скобки
1) (-y-x)-(-y-x)
2) (2m-n)+(n+4m)
3) (p-2q)-(4q+p)
4) -(c+d)+(-c-3d)
5) -(-6x+3y)-(-2x+1y).
ВНИМАНИЕ ЗА ОТВЕТ ДАЮ 30 БАЛЛОВ
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