Выполни действие номер 993
1)(7/18-1/12)+5/6 = (14/36-3/36)+30/36 = 11/36+30/36 = 41/36 = 1 5/36
2)(3/4-8/15)+17/20 = (45/60-32/60)+51/60 = 13/60+51/60 = 64/60 = 32/30 = 16/15 = 1 1/15
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1)(7/18-1/12)+5/6 = (14/36-3/36)+30/36 = 11/36+30/36 = 41/36 = 1 5/36
2)(3/4-8/15)+17/20 = (45/60-32/60)+51/60 = 13/60+51/60 = 64/60 = 32/30 = 16/15 = 1 1/15