program test;
uses crt;
var
x, y :real;
begin
x:=1.05;
while x <= 2.10 do
begin
y:=ln(4*x + 3*x - 5);
write(x:4:2,' ',y:4:2);
writeln;
x:=x+0.05;
end;
readln;
end.
program test;
uses crt;
var
x, y :real;
begin
x:=1.05;
while x <= 2.10 do
begin
y:=ln(4*x + 3*x - 5);
write(x:4:2,' ',y:4:2);
writeln;
x:=x+0.05;
end;
readln;
end.