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Oct 30, 2024HackMD 筆記 Book Graphviz digraph { graph [bgcolor=transparent]; node[fontcolor="#888888";color="#888888"]; edge [color="#888800"]; a->b; a->c;
Jan 25, 2024學海無涯,思境無維;數乃六藝,理之始也。或有一得足矣
Aug 24, 2023{%hackmd @RintarouTW/About %} $$ \cases{ b^2=h^2+d^2\ a^2=h^2+(c-d)^2 }\ a^2-b^2=c^2-2cd\ d=\frac{b^2+c^2-a^2}{2c} $$
Oct 17, 2021or
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