Art of Problem Solving: 2012 AMC 10 B #22 / AMC 12 B #18
9:55
Art of Problem Solving: 2012 AMC 10 B #23
16:03
Art of Problem Solving: 2012 AMC 12 A #25
7:24
Art of Problem Solving: 2019 AMC 10 A #24
7:27
Art of Problem Solving: 2012 AMC 12 B #21
5:18
Art of Problem Solving: 2015 AMC 10 A #22 / AMC 12 A #17
11:15
El problema más difícil en la prueba más difícil.
7:49
Art of Problem Solving: 2013 AMC 10 A #25
15:12