а) x + 3y = (4 + 3y) + x < (15 + 321) + 15 = 82б) y - 2x = (y - 215) - x > (10 - 24) - 15 = -5в) xy = xy > 410 = 64г) y/x = yx > 10/15 = 2/3
а) 2а - y = 2a - y < 25 - 10 = 0б) a + 3c = a + 3c > 5 - 28 = -11в) ac = ac < 58 = 40г) c/a = c/a > 8/5 = 1.6
а) x + 3y = (4 + 3y) + x < (15 + 321) + 15 = 82
б) y - 2x = (y - 215) - x > (10 - 24) - 15 = -5
в) xy = xy > 410 = 64
г) y/x = yx > 10/15 = 2/3
а) 2а - y = 2a - y < 25 - 10 = 0
б) a + 3c = a + 3c > 5 - 28 = -11
в) ac = ac < 58 = 40
г) c/a = c/a > 8/5 = 1.6