Mathematics, 03.03.2021 01:20 lerasteidl
En un examen de matemáticas por cada respuesta correcta se suman 7 puntos, y por cada incorrecta se pierden 9, si el examen tiene 10 preguntas, y se obtuvo una calificación de 6 puntos, ¿Cuántas preguntas correctas e incorrectas se obtuvieron? *
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En un examen de matemáticas por cada respuesta correcta se suman 7 puntos, y por cada incorrecta se...
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