Frações

Iniciando Frações

Vídeo : https://www.youtube.com/watch?v=SdunkWgD6v8

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https://phet.colorado.edu/pt_BR/simulations/fractions-intro

https://phet.colorado.edu/pt_BR/simulations/build-a-fraction

https://phet.colorado.edu/pt_BR/simulations/fractions-equality

https://phet.colorado.edu/pt_BR/simulations/fractions-mixed-numbers