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- History and math. Нand in hand. Book 1. Ancient World. 50 mathematical tasks for students based on historical events. Ancient Rome, Greece, Egypt and Persia
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Fatal error: Uncaught Error: Call to a member function fetch_row() on bool in /var/www/www-root/data/www/xn--80ab6axf.xn--80asehdb/versions/ver_5/pages/books_single.php:205
Stack trace:
#0 /var/www/www-root/data/www/xn--80ab6axf.xn--80asehdb/versions/ver_5.php(577): include()
#1 /var/www/www-root/data/www/xn--80ab6axf.xn--80asehdb/public_html/index.php(200): include('...')
#2 {main}
thrown in /var/www/www-root/data/www/xn--80ab6axf.xn--80asehdb/versions/ver_5/pages/books_single.php on line 205
