Squigly Squigly's Brain Teasers

Question:

How do you write 23 using only the number 2?
34 using only the number 3?
56 using only the number 5?
100 using only the number 9?

Answer:

By using fractions. 22+2/2=23, 33+3/3=34, 55+5/5=56, 99+9/9=100

Try another Brain Teaser:

What do you throw out when you want to use it, but take in when you don't want to use it?

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