Ольга Трущенко 10 5/12 : 2 1/2 = = (10*12+5)\12 : (2*2+1)\2 = = 125\12 : 5\2 = = 125\12 * 2\5 = = (125\5) * (2\12) = = 25 * 1\6 = (25*1)\6 = 25\6