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2018 AMC 8 Q4,6,9,15,19,22,24

 
 
Picture of Ellen Zong
回复: 2018 AMC 8 Q4,6,9,15,19,22,24
by Ellen Zong - Saturday, April 4, 2020, 8:06 PM
 

It's 2019 not 2018, sorry .

Picture of John Lensmire
Re: 回复: 2018 AMC 8 Q4,6,9,15,19,22,24
by John Lensmire - Thursday, April 9, 2020, 12:11 PM
 

Thanks for making these into separate posts! We'll go through them and give some hints today and tomorrow.