1)
uses crt;var x,y: integer; begin cls; write('x= '); readln(x); write('y= '); readln(y); writeln('x= ',y*10); writeln('y= ',x*10);end.
2)
uses crt;var y,x: real; begin cls; write('x = 1; '); writeln('y = ',1*1 - 4*1 +5); write('x = 3; '); writeln('y = ',3*3 - 4*3 +5); write('x = 5; '); writeln('y = ',5*5 - 4*5 +5);end.