kolianazarenko

29.08.2020 05:56 •  Математика

Раскрыть скобки и 1. 3(х+3)-3(4-х)-х-3 2. 3(y+5)-(4 - y)-(1+3)y-3 3. 2(b+4)-3(2-b)-b-4 4. k+1-5(2-k)-k(5+1)-5 5. m+3-(2-m)-m-4 6. 4(f+3)-(5-f)-f-4 7. 3(d+3)-4(1-d)-d(4+3)-1 8. 5(a+5)-3(3-a)-a-3 9. 2(t+2) – 5(2-t)-х(5+2)-1 10. 2(n+4)-4(5-n)-n(4+2)-3