What are the challenges you have experienced regarding the use of fractions? Explain your answers.

Question

none

I found the proof of:

pi = 3 + 1/[6 + 3^2/[6+5^2/[6+7^2/[6+9^2/[6+11^2/[6+13^2/[6+.......]]]]]]]

challenging

5yd=how many feet

There are three feet in each yard. So, three times...

What the...