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November 25, 2014

November 25, 2014

Posted by **Kayla** on Friday, November 21, 2008 at 8:47pm.

Hint: suppose the numbers in your set were 1,3. Then work “backwards” from the lowest numbers to see what are the winning and losing positions. For example, in this case, 1 would be a winning number since that player could remove 1 counter. 2 is a losing number, since the player with that number can only remove 1, leaving a winning number for her opponent. 3 is a winning number, since that player can remove 3. And for is a losing number, since that player can remove 1 or 3, leaving a winning number for her opponent. If you continue with this example, you will begin to see that odd numbers are losing numbers, and even numbers are winning numbers. Your problem will most likely have a more complicated analysis than this though!

Your set of numbers is: 1,4,6,10

(You can only take these numbers away from the counters; you can’t take 2, 3, 5, 7, 8, or 9)

a. Find a winning strategy if the game begins with 15 counters in the pile.

b. Find and explain the winning strategy if the game begins with 35 counters in the pile.

c. Find and explain the winning strategy if the game begins with any number counters in the pile.

- math please help -
**Kayla**, Friday, November 21, 2008 at 8:48pmHint: suppose the numbers in your set were 1,3. Then work “backwards” from the lowest numbers to see what are the winning and losing positions. For example, in this case, 1 would be a winning number since that player could remove 1 counter. 2 is a losing number, since the player with that number can only remove 1, leaving a winning number for her opponent. 3 is a winning number, since that player can remove 3. And for is a losing number, since that player can remove 1 or 3, leaving a winning number for her opponent. If you continue with this example, you will begin to see that odd numbers are losing numbers, and even numbers are winning numbers. Your problem will most likely have a more complicated analysis than this though!

Your set of numbers is: 1,4,6,10

(You can only take these numbers away from the counters; you can’t take 2, 3, 5, 7, 8, or 9)

- math please help -
**Kayla**, Friday, November 21, 2008 at 8:48pma.Find a winning strategy if the game begins with 15 counters in the pile.

b.Find and explain the winning strategy if the game begins with 35 counters in the pile.

c.Find and explain the winning strategy if the game begins with any number counters in the pile.

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