а)7\8и1\12 - 21/24 и 2/24
б)4\13и3\4 - 16/52 и 39/52
в)1\20и1\30 - 3/60 и 2/60
г)4\15и3\10 - 8/30 и 9/30
д)1\9и1\7 - 7/63 и 9/63
е)1\9.1\4и1\6 - 4/36, 9/36 и 6/36
ж)1\17и13\34 - 2/34 и 13/34
з)9\14и10\21 - 27/42 и 20/42
и)3\28.9\14и7\8 - 6/56, 36/56 и 49/56
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Answers & Comments
а)7\8и1\12 - 21/24 и 2/24
б)4\13и3\4 - 16/52 и 39/52
в)1\20и1\30 - 3/60 и 2/60
г)4\15и3\10 - 8/30 и 9/30
д)1\9и1\7 - 7/63 и 9/63
е)1\9.1\4и1\6 - 4/36, 9/36 и 6/36
ж)1\17и13\34 - 2/34 и 13/34
з)9\14и10\21 - 27/42 и 20/42
и)3\28.9\14и7\8 - 6/56, 36/56 и 49/56