1/6-1/6-15/18-3/18+5/9+4/9 = 9/9 - 18/18 = 1-1 = 0
Ответ: 0
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1/6-1/6-15/18-3/18+5/9+4/9 = 9/9 - 18/18 = 1-1 = 0
Ответ: 0