PRUEBA SUMA Y RESTA DE FRACCIONES

Desarrolla en tu cuaderno los siguientes ejercicios y responde
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    CON LA SIGUIENTE INFORMACION RESPONDE LAS PREGUNTAS 8 A LA 11 Se realizó una encuesta a un grupo de estudiantes en una feria científica acerca de su mascota preferida, arrojando los resultados que se encuentran en el gráfico adjunto

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