5/6 : х =5/12 ; х : 4/9 =8/27
5/6 : х = 5/12
х = 5/12 : 5/6
х = 5/12 * 6/5 = 1/2
х : 4/9 = 8/27
х = 8/27 * 4/9 = 32/243
Оцени ответ
5/6 : х = 5/12
х = 5/12 : 5/6
х = 5/12 * 6/5 = 1/2
х : 4/9 = 8/27
х = 8/27 * 4/9 = 32/243