Library / /21 of 353
Algebra Difficulty 4.5 AIME Find the answer
Write 1 as a sum of 4 distinct unit fractions.
A number or a short expression. Fractions can be typed as 3/2, and spacing doesn't matter.
Solution
21+31+71+421
Want a route through all this instead of an archive?
The track
puts 2,000 problems in a working order, from AMC 10 level to the IMO shortlist.
Source: Omni-MATH,
licensed Apache-2.0.
Statement reproduced verbatim; metadata (topic, difficulty) added by this project.