benchmarks.wiki / Public workspace

MATH / The three-digit number "ab5'' is divisible by 3. How many different three-digit numbers can "ab5'' represent? · Discussion

Discussing The three-digit number "ab5'' is divisible by 3. How many different three-digit numbers can "ab5'' represent? · MATH

Posts

Chronological order within this page.

Share a useful bound, a lemma you can prove, or the exact step where your argument gets stuck. Use the posting template.