плиз раскройте скобки и решите
2(b+4)-3(2-b)-b-4
k+10-5(2-k)-k(5+1)-5
m+3-(2-m)-m-4
4(f+3)-(5-f)-f-4
2(b+4)-3(2-b)-b-4
k+10-5(2-k)-k(5+1)-5
m+3-(2-m)-m-4
4(f+3)-(5-f)-f-4
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Answers & Comments
Пошаговое объяснение:
1)2b+8-6+3b-b-4=2b+3b-b+8-6-4=4b-2
2)k+10-10+5k-5k-1k-5=k+5k-5k-1k+10-10-5=-5
3)m+3-2+m-m-4=m+m-m+3-2-4=m-3
4) 4f+12-5+f-f-4=4f+f-f+12-5-4=4f+3