Пошаговое объяснение:
2 2/3 : х = 3 3/5
х = 2 2/3 : 3 3/5
х = 8/3 : 18/5
х = 8/3 * 5/18
х = 4/3 * 5/9
х = 20/27
х : 13/21 = 7/30
х = 7/30 * 13/21
х = 1/30 * 13/3
х = 13/90
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Пошаговое объяснение:
2 2/3 : х = 3 3/5
х = 2 2/3 : 3 3/5
х = 8/3 : 18/5
х = 8/3 * 5/18
х = 4/3 * 5/9
х = 20/27
х : 13/21 = 7/30
х = 7/30 * 13/21
х = 1/30 * 13/3
х = 13/90