Раскройте скобки:
1) 3(8а-4)+ 6а
2) 11с+5(8-с)
3) 7b-2(3b-1)
4) -4(3а+2)+8
5) 2(у-1)-2у+12
6) 16+3(2-3у)+8у
7) 5а-8-3(4а-1)-(8-3а)
8) 3-17а-11(2а-3)
9) 15-5(1-а)-6а
10) 4-5(3с+8)
11) 3,2а-7-7(2,1а-0,3)
12) 16с+(3с-2)-2(5с+7)
13) -3(-а+b+с)+(а-b+с)
14) -2(2у-8)+(-у-4)
15) -4(n-3)-(2n+4)-8
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