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5 Cash and Cash Equivalents (Tables) | 12 Months Ended
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Dec. 31, 2020
Cash and cash equivalents [abstract] |
Schedule of cash and cash equivalents |
| 12.31.2020 | 12.31.2019
Cash and bank accounts | 228,711 | 263,188
Financial investments with immediate liquidity | 2,994,057 | 2,678,539
| 3,222,768 | 2,941,727

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