lochiwei | Observable

lochiwei

One advantage of talking to yourself is that you know at least somebody’s listening.

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Jan 21, 2021•1

「向量比」的運算性質

Jan 20, 2021

「平面外積」與「有向面積」

Jan 20, 2021•2 1

兩向量的「向量比」

Jan 20, 2021•1

三角形的「有向面積」

Jan 20, 2021•1

Jan 19, 2021

Dec 30, 2020•1