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How can you write 23 using the number 2 only 4 times? You can use addition, subtraction, division, multiplication.

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How can you write 23 using the number 2 only 4 times? You can use addition, subtraction, division, multiplication.
posted Aug 5, 2015 by Balwinder

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1 Answer

+2 votes
 
Best answer

22 +( 2/2) = 23

answer Aug 5, 2015 by Jayanth Raj Gowda



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By using all numbers, i.e. 123456789 and subtraction/addition, operators number 100 can be formed in many ways.
Example 98 + 7 + 6 - 5 - 4 - 3 + 2 - 1 = 100

But if we add a condition that use of the number 32 is the must. Then there are limited solutions.
One of such solution is: 9 - 8 + 76 + 54 - 32 + 1 = 100

Can you tell any other solution?

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