167. Реши уравнения. x: 20 = 40.3 210: x = 420:6 x. 110 = 110 480: x = 480 x-260 = 0 y + 0 = 300

Решение уравнений: 1. x : 20 = 40 * 3 x : 20 = 120 x = 120 * 20 x = 2400 2. 210 : x = 420 : 6 210 : x = 70 x = 210 : 70 x = 3 3. x * 110 = 110 x = 110 : 110 x = 1 4. 480 : x = 480 x = 480 : 480 x = 1 5. x - 260 = 0 x = 260 6. y + 0 = 300 y = 300