7,6 : х = 2 1/9 : 2 4/9
38/5 : х = 19/9 : 22/9
19/9Х = 38/5х22/9
19/9Х = 836/45
Х = 836/45 : 19/9 = 836/45 х 9/19
Х = 44/5 = 8,8
7,6 : х = 2 1/9 : 2 4/9
38/5 : х = 19/9 : 22/9
19/9Х = 38/5х22/9
19/9Х = 836/45
Х = 836/45 : 19/9 = 836/45 х 9/19
Х = 44/5 = 8,8