I want to beg a pardon to all readers who don't like my posts b'cause using the language (well I think you know =.=) And I want to mention that there'll be a member of our class will post in their way. So don't get annoyed, hahah. By the way, we had a great time on Math and BM seminar. Special thank you to related teachers :)
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Go to this site if you are free. I just linked for fun so good luck!