http://book.klll.cc/ebooks/16527.opds 2025-08-14T20:16:10Z 1001 задача для умственного счета by Sergei Aleksandrovich Rachinskii Free eBooks since 1971. Project Gutenberg https://book.klll.cc webmaster@gutenberg.org https://book.klll.cc/gutenberg/favicon.ico 25 1 2025-08-14T20:16:10Z 1001 задача для умственного счета

This edition had all images removed.

Title: 1001 задача для умственного счета

Alternate Title: 1001 tasks for mental calculation

Credits: -

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 practical scenarios, enabling learners to enhance their mental calculation skills. The opening of this workbook introduces the format and structure of the challenges included. It details that the tasks are tailored for students and can be applied in arithmetic lessons. The first few examples presented illustrate various calculations involving reading, purchasing land, and budgeting, emphasizing real-world situations that require mental arithmetic. Each problem is followed by a solution, which helps learners verify their understanding and mastery of the concepts presented. (This is an automatically generated summary.)

Author: Rachinskii, Sergei Aleksandrovich, 1836-1902

EBook No.: 16527

Published: Aug 14, 2005

Downloads: 2974

Language: Russian

Subject: Word problems (Mathematics)

Subject: Mathematics -- Problems, exercises, etc.

LoCC: Science: Mathematics

Category: Text

Rights: Public domain in the USA.

urn:gutenberg:16527:2 2005-08-14T00:00:00+00:00 Public domain in the USA. Rachinskii, Sergei Aleksandrovich ru 1
2025-08-14T20:16:10Z 1001 задача для умственного счета

This edition has images.

Title: 1001 задача для умственного счета

Alternate Title: 1001 tasks for mental calculation

Credits: -

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 practical scenarios, enabling learners to enhance their mental calculation skills. The opening of this workbook introduces the format and structure of the challenges included. It details that the tasks are tailored for students and can be applied in arithmetic lessons. The first few examples presented illustrate various calculations involving reading, purchasing land, and budgeting, emphasizing real-world situations that require mental arithmetic. Each problem is followed by a solution, which helps learners verify their understanding and mastery of the concepts presented. (This is an automatically generated summary.)

Author: Rachinskii, Sergei Aleksandrovich, 1836-1902

EBook No.: 16527

Published: Aug 14, 2005

Downloads: 2974

Language: Russian

Subject: Word problems (Mathematics)

Subject: Mathematics -- Problems, exercises, etc.

LoCC: Science: Mathematics

Category: Text

Rights: Public domain in the USA.

urn:gutenberg:16527:3 2005-08-14T00:00:00+00:00 Public domain in the USA. Rachinskii, Sergei Aleksandrovich ru 1