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5 Cash and Cash Equivalents (Tables)
12 Months Ended
Dec. 31, 2019
Cash and cash equivalents [abstract]  
Cash and Cash Equivalents
   
  12.31.2019 12.31.2018
Cash and bank accounts    263,188 167,728
Financial investments with immediate liquidity    2,678,539 1,780,681
     2,941,727 1,948,409