1001 задача для умственного счета
by Rachinskii, Sergei Aleksandrovich
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Title:
1001 задача для умственного счета
Alternate Title:
1001 tasks for mental calculation
Credits:
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Summary:
"1001 задача для умственного счета" by Sergei Aleksandrovich Rachinskii is a mathematical workbook written in the late 19th century. This collection contains a vast array of arithmetic problems designed for educational purposes, particularly for use in classrooms. The problems are presented in a straightforward language, often contextualized in...