On Friday the 17th I made a 2x2 table with the numbers 9, 16, 25 and 43. I also had this in my head which one is the odd one out to these questions: which one is a single number, which one is an even number, which ones are a square number and which one is a prime number. First I looked up what a square and prime number is then I answered the questions. I know that nine is a single digit so I put that in the box. I also knew that nine is an odd number, lastly I had just learnt that nine is a square number. After I wrote that I moved on to the next number and answered the questions that were related to the problem. After I answered all the numbers I checked through it and I was all done.
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