https://docs.google.com/document/d/10p6V2ilHsqiMxZg6FaPNJdCkmG03QiCHV9_pn1wUD6Y/edit?pref=2&pli=1

 

 

I have posted problem, the website is the answer osomeone wrote. Each problem need 250 words, and totally 3 problems.

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