Hi,
please any ideas?
for any positive integers n, the sum of the first n positive integers equals n(n+1) / 2
WHAT is the sum of all the even integers between 99 and 301?
please any ideas?
for any positive integers n, the sum of the first n positive integers equals n(n+1) / 2
WHAT is the sum of all the even integers between 99 and 301?
