Library / / 6 of 310
, 2024 Difficulty 1.0 Junior Find the answer Canada
The value of $ 3 ( 5 3 − 1 3 ) $ \$3\left(\frac 53-\frac
13\right)\$ $3 ( 3 5 − 3 1 ) $
Pick one
A 1 1 1 B 2 2 2 C 3 3 3 D 4 4 4 E 6 6 6
Solution Calculating, $3( 5 3 − 1 3 ) \left(\frac{5}{3}-\frac{1}{3}\right) ( 3 5 − 3 1 ) ⋅ 5 3 \cdot \frac{5}{3} ⋅ 3 5 ⋅ 1 3 \cdot
\frac{1}{3} ⋅ 3 1
Alternatively, $3( 5 3 − 1 3 ) \left(\frac{5}{3}-\frac{1}{3}\right) ( 3 5 − 3 1 ) ⋅ 4 3 \cdot \frac{4}{3} ⋅ 3 4
← Previous Browse the library Next →
Want a route through all this instead of an archive?
The track
puts 2,444 problems in a working order, from Junior Challenge level to the IMO shortlist.
Source: CEMC, University of Waterloo ,
licensed CC-BY-NC-4.0 .
Statement reproduced verbatim; metadata (topic, difficulty) added by this project.