1번 - 7번 https://docs.google.com/presentation/d/1Xp7E-Q5cqRXszH3ezaiQiXW2QCSDyo5im2FR8xqptHI/edit?usp=sharing 8번 - 14번 https://docs.google.com/presentation/d/1Ch2jdhbpDMTznAkXx8O2ucYmfcodTOl5vC5KesIqeTg/edit?usp=sharing 15번 - 23번 https://docs.google.com/presentation/d/1iKmRtwr1gSreQFBLROInTu7uwuVBMGVIx-_iL788hFs/edit#slide=id.p
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