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7. The Rejuvenating Grandma Is Baking a Pie

  • 章节

  • 发表日期：

    2024年

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  • Bálint Hujter,
  • Dániel Lenger,
  • Gábor Szűcs

摘要

My grandma thinks she is getting younger, because 5 years ago she was five times as old as me, and now she is only four times as old as me. How old is my grandma?