A busy day.
Many problems.
Clean your mind with something interesting to read.
Unknown or forgotten moments of history.
Odd mathematical problems and solutions.
Some general knowledge.
And even the crumbs of your bad day will disappear.
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语言 英语 ● 格式 EPUB ● 网页 90 ● ISBN 9781728397009 ● 文件大小 0.3 MB ● 出版者 AuthorHouse UK ● 发布时间 2019 ● 下载 24 个月 ● 货币 EUR ● ID 7325504 ● 复制保护 Adobe DRM
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