280 и 90 280-90 = 190, 280+90 = 370
540 и 360 540-360 = 180, 540+360 = 900
440 и 180 440-180 = 260, 440+180 = 620
280 и 90 280-90 = 190, 280+90 = 370
540 и 360 540-360 = 180, 540+360 = 900
440 и 180 440-180 = 260, 440+180 = 620