When Peg and Cat are playing with their new friend the Big Dog, Cat becomes strangely quiet. Using a graph, Peg attempts to figure out what’s wrong with Cat.The Three Friends Problem https://s3.amazonaws.com/heap-media.idello.org/vtwwksbybci8b/resource_details_16_9.jpg
To rate the resource, you must be logged in with a user account.
- No reviews have been submitted
An error occurred. Please refresh the page and try again.