Question
Given any positive integer, show that two must exist whose sum or difference si divisible by 10.
Answers
PsyDAG
Your question is unclear. What "two"? Please repost in more detail.
However, any number ending in 0 is divisible by 10.
I hope this helps. Thanks for asking.
However, any number ending in 0 is divisible by 10.
I hope this helps. Thanks for asking.