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381Work documentImplementación de mediadores didácticos para la resolución de ecuaciones lineales con una incógnita”Published in 2017Repositorio Universidad Nacional de Colombia
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382Published in 2012Repositorio Universidad Nacional de Colombia
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383Published in 2006Repositorio Repositorio Institucional UTB
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384Published in 2012Repositorio Repositorio Universidad de la Sabana
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385
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386
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387Article of journalPublished in 2001Repositorio Repositorio Institucional UPN
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388Article of journalPublished in 2000Repositorio Repositorio Institucional UPN
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389Article of journalPublished in 2000Repositorio Repositorio Institucional UPN
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390Article of journalPublished in 2018Repositorio Repositorio Institucional UPN
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391Article of investigationPublished in 2015Repositorio Repositorio UAN
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392
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393Work documentPublished in 2018Repositorio Universidad Nacional de Colombia
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394
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395
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396
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397Published in 2003Repositorio Repositorio Universidad de la Sabana
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398Article of journalPublished in 2015Repositorio Repositorio UAN
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399Article of journalPublished in 2010Repositorio Repositorio Institucional UPN
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400Article of journalPor Romero, IsraelPublished in 2014Repositorio Repositorio Institucional UPN
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