Ответы на вопрос:
1)
program pr1; uses crt; var x,i,n: integer; beginclrscr; readln(n); x: =1; for i: =1 to n do x: =x*i; writeln(x); end.
2)
program pr1; uses crt; var x,y: real; beginclrscr; readln(x,y); writeln(exp(y*ln(; end.
3)
program pr1; uses crt; var mas: array[byte] of integer; i,n,c,b: integer; begin clrscr; writeln('vvedite kol chisel'); readln(n); c: =0; b: =1; for i: =1 to n do begin writeln('vvedite ',i,' chislo '); readln(mas[i]); end; for i: =1 to n do if mas[i]< 0 then c: =c+1 else b: =b*mas[i]; writeln('chislo otrizateln. ',c,' proizvedenie polojiteln ',b); end.
4)
program pr1; uses crt; var x,y,i: integer; begin clrscr; readln(x); y: =0; for i: =100 to 999 do if i> x then begin writeln(i); y: =y+1; end; writeln('vsego ',y); end.
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