Question

Даю 99 баллов! Помогите!
-0,6b•4y;
-k-k-5a-a-a-a;
5,17y+9,31y+4,83y-2y;
1,7x-1,2y-1,7x+0,5x;
7-x+y+x-y;
-k-(m-n);
k-(-m-n);
-a+(b-c)-(x-y);
25-(m-n)-(a-b);
6x+(7-3x);
-(4x-18)+18;
(2a-7y)-(5a-7y);
(11p+9c)-(12+11p+9c);
(2-4b)-(31b-6)-11;
14b-(15b+y)-(y+10b);
6(c+1)-6c-5;
19y+2(3-4y)+11y;
21x-7-4(9x+3);
33-8(11b-1)-2b.

Answer 1

$=-2.4by \ -2k-8a=-2(k+4a) \ =17.31y \ -1.2y+0.5x=0.5(-1.2y+x) \ =7 \ =-k-m+n \ =k+m+n \ =-a+b-c-x+y \ =25-m+n-a+b \ =6x+7-3x=3x+7 \ =-4x+18+18=-4x+36=-4(x-9) \ =2a-7y-5a+7y=-3a \ =11p+9c-12-11p-9c=-12 \ =2-4b-31b+6-11=-35b-3 \ =14b-15b-y-y-10b=-11b-2y \ =6c+6-6c-5=1 \ =22y+6=2(11y+3) \ =21x-7-36x-12=-15x-19 \ =33-88b+8-2b=-90b+41$

Answer 2

LOL

Answer 3

а это правильно сей час спешу