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Вайс и Шварц по очереди выписывают цифры стозначного числа. Пишет Первую Вайс, вторую – Шварц, третью – снова Вайс и т.д. Если в итоге получается стозначное число, кратное 9, победителем считается Шварц, в противном случае – Вайс. а) Кто выиграет при правильной игре, и какова его стратегия? б) Тот же вопрос, если можно писать цифры не больше 5. не понимаю ((

Guest Jun 20, 2017
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 #1
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You mean:

 

Weiss and Schwartz take turns writing out the digits of a hundred-digit number. Writes the First Weiss, the second - Schwartz, the third - again Weiss, etc. If the result is a single-digit multiple of 9, Schwartz is considered the winner, otherwise Weiss. A) Who will win with the correct game, and what is his strategy? B) The same question, if you can write numbers not more than 5. I do not understand ((

AsadRehman  Jun 21, 2017
 #2
avatar+318 
+1

He is talking in Russian and is saying:

 

TITLE: Puzzle

QUESTION:

Weiss and Schwartz take turns writing out the digits of a hundred-digit number. Writes the First Weiss, the second - Schwartz, the third - again Weiss, etc. If the result is a single-digit multiple of 9, Schwartz is considered the winner, otherwise Weiss. A) Who will win with the correct game, and what is his strategy? B) The same question, if you can write numbers not more than 5. I do not understand ((

AsadRehman  Jun 21, 2017

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