Раскройте скобки и приведите подобные слагаемые:

1) 3(5a+4)-11a
2) -0,2(4b-7)
3) 3a(7-b)-7(b-3a)
4) -4(2k-9)-3(6k+1)
5) (3x-11)*0,2-5(0,4-0,3x)
6) 1/6(18m-24n)-(5m+2n)
7) -(8a-13)+3(4-3a)
8) -3,5(3a-2b)+2(1,3a-b)
прошу,решите срочно!!!
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