Juan ha leído ya la quinta parte de un
libro. cuando lea 90 páginas más, todavía
le qued...
Mathematics, 12.01.2020 17:31 DerekMoncoal
Juan ha leído ya la quinta parte de un
libro. cuando lea 90 páginas más, todavía
le quedará la mitad del libro. ¿cuántas
páginas tiene el libro? ¿cuántas páginas
lleva leídas?
Answers: 2
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