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2014-11-01T10:16:17+02:00
A = 36 3/4 - b = 147/4 - b;  
Inlocuim: a - b = 24 5/6 = 149/6  cu 147/4 - b - b = 149/6;
2b = 147/4 - 149/6 = 441/12 - 298/12 = 143/12;
b = 143/12 * 1/2 = 143/24; a = 147/4 - 143/24 = 882/24 - 143/24 =739/24.
              
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