We want to round off x, a float, to an int value, The correct way to do is31/50We want to round off x, a float, to an int value, The correct way to do is:y = (int)(x + 0.5)y = int(x + 0.5)y = (int)x + 0.5y = (int)((int)x + 0.5)Giải thíchChọn A