Pitter box and tricks
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- How to write a number one hundred and five units?
- How to place nine coins in ten rows of three coins in each row?
- Which year of the XIX century increases by four and a half times if you look at it in the mirror?
- I have sisters and brothers equally. And my sister has half the sisters than brothers. How many of us?
riddles and solidies, questions and jokes, intricate drawings, imaginary miracles, funny arithmetic tasks, entertaining experiments - you have a whole box of fascinating puzzles and tricks! The best guide in the world of entertaining sciences - Yakov Isidorovich Perelman will help solve them.
Do not rush to look into the answers. Try to solve all the tasks yourself: it will give pleasure to both children and adults.
For children of secondary school age
- How to place nine coins in ten rows of three coins in each row?
- Which year of the XIX century increases by four and a half times if you look at it in the mirror?
- I have sisters and brothers equally. And my sister has half the sisters than brothers. How many of us?
riddles and solidies, questions and jokes, intricate drawings, imaginary miracles, funny arithmetic tasks, entertaining experiments - you have a whole box of fascinating puzzles and tricks! The best guide in the world of entertaining sciences - Yakov Isidorovich Perelman will help solve them.
Do not rush to look into the answers. Try to solve all the tasks yourself: it will give pleasure to both children and adults.
For children of secondary school age
Author:
Author:Perelman Yakov Isidorovich
Cover:
Cover:Hard
Category:
- Category:Children's Book
- Category:Cookbooks, Food & Wine
- Category:Crosswords, games and puzzles
Publication language:
Publication Language:Russian
Paper:
Paper:Offset
Series:
Series: In Cuba
Age restrictions:
Age restrictions:6+
ISBN:
ISBN:978-5-907302-43-3
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