Раскройте скобки: 1) 2(а+3b-7c); 2) 0,4(1,3x-0,5y-1,3); 3) (a-4d+3p)*(-0,8); 4) -0,4a(-4b+3p-1,1c); 5) -m(-k+29n-38,9); 6) (0,1+0,3x-2y)*(-10a).
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2) =0,52x-0,2y-0,52
3) -0,8a-3,2d+2,4p
4) 1,6ab-1,2ap+0,44ac
5)mk-29nm+38,9m
6)-a-3ax+20ay