$$\triangleq $$
≜\triangleq ≜
“组合版”:
\widetilde f \overset{\bigtriangleup}{=}
f~=△ \widetilde f \overset{\bigtriangleup}{=}f=△
这篇博客探讨了数学中不同的等价符号使用,包括$$ riangleq$$和$$overset{igtriangleup}
$$\triangleq $$
≜\triangleq ≜
“组合版”:
\widetilde f \overset{\bigtriangleup}{=}
f~=△ \widetilde f \overset{\bigtriangleup}{=}f=△
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