Решите уравнения а) у - 13/51 = - 9/34 б) 2/3 - z - вопрос №7106509135193423044707 от arinakurbatovu 07.05.2023 09:55

Question

Математика: Решите уравнения а) у - 13/51 = - 9/34 б) 2/3 - z = 0,4 в) 4/7 + t = 0,7 12

arinakurbatovu · Answer

У - 13/51 = - 9/34у = - 9/34 + 13/51у = - 27/102 + 26/102y = - 1/1022/3 - z = 0,42/3 - z = 4/102/3 - z = 2/5z = 2/3 - 2/5z = 10/15 - 6/15z = 4/154/7 + t = 7/10t = 7/10 - 4/7t = 49/70 - 40/70t = 9/70...