1500055858 1500055858
  • 21-11-2022
  • Mathematics
contestada

En un examen de biología nos da la indicación que se debe de contestar las 20 preguntas,por cada acierto se le suman 3 puntos y por cada error le restamos 2 puntos,¿cuantos aciertos y errores tuvo Pedro si tiene una puntuación de 30?

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