Find the sum of these four numbers:
The numbers are too big to fit in your calculator, but you use it anyway. Just figure out how.
Solution
As it's a sum, we can rearrange the numbers in various ways. For example,
where it must be understood that in the first column of this array the numbers are multiplied by , the second column by , and the third column by . Adding the columns (using a calculator!) and combining with the appropriate powers of you should get the answer
Did you? Now see if you can think of another way to do this, probably a better one.