-5 целых 5/11 = 60/11
60/11 - 7,9 = 60/11 - 79/10 = 600/110 - 869/110 = 269/110
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-5 целых 5/11 = 60/11
60/11 - 7,9 = 60/11 - 79/10 = 600/110 - 869/110 = 269/110