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#数学的帰納法

1

Houchi-e poi-poi !
Renshu poi-poi !
Rakugaki poi-poi !
Shinchoku poi-poi !
Illustrations SNS, POIPIKU.

Poi is the casual Japanese that means tossing or throwing something easily. POIPIKU is the illustrations SNS for everyone who doesn’t want to care about ratings from others. Feel free to post your illustrations like throwing papers in the air!

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