Question

How much is 1 3 +2 3 +3 3 +4 3 +5 3 +...+100 3

Answer 1

First of all, add 1 3 +2 3 +3 3 +4 3 +5 3.
1 3 +2 3 +3 3 +4 3 +5 3= 165.
Now, subract 165 from 1003.
1003-165= 838

So, the answer is 838.

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