G.Oster beloved Handbook on mathematics

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It recommended by the Ministry

Education of the Russian Federation

as a guide for students.











Foreword


Tell you sadistic anecdote? He comes to the children's writer

readers and says: "I am to you a new booklet written - zadachnik

in mathematics. "That's probably all the same, that instead of birthday

cake to put a plate of porridge. But honestly, book open

in front of you - not quite zadachnik,


For adults

No, no, there are real problems. For the second, third and

fourth grade. They all have the solution and helps to consolidate

passed in the corresponding class material. However, the main task

"Problem book" - not the stuff to fix, and does nothing to do

have these problems to what is called an entertaining math.

I think that no professional interest will not cause these problems

the winners Mathematical Olympiads. These tasks are just for those

who does not like mathematics, habitually he considers the tasks and dreary

tedious work. Here they let will doubt!


For children

Dear children, this book is deliberately called the "Book of problems" to

it can be read on the math lesson and not to hide under the desk. A

if teachers will indignant, saying: "Do not know

The Ministry of Education has authorized. "











Note:

This publication is a computer file scanned manually

Scanner "Matador 105" of the original, converted to text form

Character Recognition program "Spot 3.0", with the removal of a large

number of illustrations, and finally edited and

formatted using the word processor "Word 5.0".

St. Petersburg 1994


3


1. In close hold pirate brigantine Captain Flint and the boatswain

Fyodor shared the same dividend for different dividers: Captain Flint

grim smile - on 153, and the boatswain Fyodor with a calm smile - 8.

Boatswain Fyodor was privately 612. What particular get Flint?


2. Personal parrot Captain Flint 1567 examined curses on

different languages. 271 curse - in English, 352 - in French

and 127 - Spanish. The rest of the swearing parrot learned

from the great and mighty Russian language. How many expletives learned

Wish parrot Captain Flint of the Russian language?


3. 10 pirates equally divided between 129 captives, and

balance - was put in a boat and sent home to parents. How many

captives swam to her parents?


4. To find a pirate treasure, you have to pass by an old oak tree 12

Steps to the north, then 5 steps - to the south, then another four steps - to the north and

11 more steps - to the south. Find out where buried pirate treasure.


5. fourteen best friends Captain Flint after various

pirate feats left on one leg, while the captain of the whole

two. How many feet without wood, it can be counted under the table

When all fifteen of friends sit down to breakfast?


6. On the neck circus Hudeschenko sit his wife Elvira, Asya

Tasia and three young sons Michael, Gregory and Tisha. How many people

He is sitting on the neck circus?


7. foreign saboteur had a job: to blow up the dark night

20 secondary schools. Saboteur exceeded job one

the fifth part of it. How happy children will be able to take a break from the general

Education, if it is known that each blasted school languished for

756 students?


8. For every one Losers 2575 became director of the school.

How many Losers get 14 principals?


9. From a building in one and the same time at different speeds

reached 376 boys and 532 girls. Through nekotrye time from the same

building at the same rate reached 38 adults. How many

students and teachers went home after school?


10. Leaving for pen