تعداد ۱ پاسخ غیر تکراری از ۱ پاسخ تکراری در مدت زمان ۴,۲۷ ثانیه یافت شد.

1. Fun with maths and physics brain teasers tricks illusions

پدیدآورنده : Ya. I. Perelman

کتابخانه: Central Library of Shahrekord University (Chaharmahal va Bakhtiari)

موضوع : Scientific recreations - Jurenile literature,Science - Experiments - Juvenile literature

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