Раскройте скобки.Даю 30 баллов.

Номер 528
1) 16-(x+y)
2)x+(y+9-t)
3) -(6-m+n) - h
4) 7+(-g+h-f)
5)7-(a+b)
6)9-(a-b)

Номер 529
1)-(a+5)-c
2)-15+(-a-b+c)
3)d+(a-17+b)
4)-(-q-v-s)-21

Номер 530
1) (18+x)+12
2)25-(a-b+28)
3) (25-z)+(t-18)
4)-(p+3)+(q-7)

Номер 531
1) 36-(18+y)
2)43+(c-21+d)
3) (17+u)-(v-7)
4) -(9-g)-(15+h)
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