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0.3333... = 3/9=1/3
1.233333= 1+0.2333... =1+ (23-2)/90=1+ 21/90
Reduciendo la expresión: 1- 2 *1/3 - (1 + 21/90) =2/3 -21/90 = 60/90 - 21/90= 39/90 = 13/30.
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