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Mathematics, 14.06.2021 19:50 jagger68

La edad de Ericka es el triple de la edad de Liliana y hace 9 años la suma de sus edades era 22. ¿Cuantos años tiene actualmente Liliana? a) 8 b) 9 c) 10
d) 11 e) 12

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La edad de Ericka es el triple de la edad de Liliana y hace 9 años la suma de sus edades era 22. ¿Cu...
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