AlgebraDifficulty 1.0JuniorFind the answerUnited Kingdom
What is the value of 1+2+3+4+512345?
(A) 1 (B) 8 (C) 678 (D) 823 (E) 12359
Want a route through all this instead of an archive? The track
puts 2,604 problems in a working order, from Junior Challenge level to the IMO shortlist.