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Jul 19th, 2018
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  1. program abc;
  2. var a,b,c,d,x1,x2,d1,mn:real;
  3. begin
  4. writeln('Введите a b c');
  5. readln(a,b,c);
  6. writeln('a=',a,' b=',b,' c=',c);
  7. d:=sqr(b)-4*a*c;
  8. if d<0 then
  9. writeln('D > 0 Корней нет')
  10. else begin
  11. d:=sqrt(d);
  12. writeln('D=',sqr(b),'-4','*',a,'*',c,'=',d:3:2);
  13. x1:=(-b+d)/(2*a);
  14. writeln('x1=','',-b,'+',d:3:2,'/',' 2*',a,'=',x1:3:2);
  15. x2:=(-b-d)/(2*a);
  16. writeln('x2=','',-b,'-',d:3:2,'/',' 2*',a,'=',x2:3:2);
  17. writeln('x1=',x1:3:2);
  18. writeln('x2=',x2:3:2);
  19. writeln('Разложить на множетели? 1 - да. 2 - нет');
  20. readln(mn);
  21. if mn=1
  22. then writeln('(x-',x1:3:2,')(x-(',x2:3:2,'))')
  23. else if mn=2 then
  24. writeln('Вас понял :D');
  25. end;
  26. end.
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