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Review of fundamental mathematical operations, focusing on the priority between addition, subtraction, multiplication and division, especially in the context of fractions. Learn practical tips and clear examples that facilitate the understanding of these essential rules, making the resolution of mathematical problems much more intuitive.! Lists for Resolution: https://matematicacpj.wordpress.com/w... https://files.comunidades.net/profjos... https://professor.pucgoias.edu.br/Sit... https://www.colegioequipejf.com.br/si...