AlgebraDifficulty 4.1AIMEFind the answerSouth Africa
The value of 2−(0−(1−5)) is
Pick one
Solution
E
2−(0−(1−5))=2−(0−(−4))=2−(0+4)=2−4=−2
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.
Source: MathNet,
licensed CC-BY-4.0.
Statement reproduced verbatim; metadata (topic, difficulty) added by this project.