Решите уравнение 7/9:x=7/18

7/9:x=7/18; Х=7/9:7/18; Х=7/9*18/7; Х=2

7/9:х=7/18. х=7/9:7/18, х=7/9*18/7, х=18/9=2проверка  7/9:2=7/18, 7/9*1/2=7/18, 7/18=7/18