english: So 90 percent of what I do with my five hours of prep time per week is to take fairly compelling elements of problems like this from my textbook and rebuild them in a way that supports math reasoning and patient problem solving.
non_english: Tako da 90% onoga što radim sa mojih 5 sati pripremanja nedeljno je da uzmem nesalomive elemente problema kao ovaj iz knjige i da ih opet izgradim da podržavaju matematičko razumevanje i strpljivo rešavanje problema.