Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-08-27 01:38Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\oint_C \vec{F}\cdot d\vec{r} = 0
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E = mc²
∑_{k=1}^{n} k = n(n+1)/2
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1x² + 2x + 0 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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∑_{k=1}^{n} k = n(n+1)/2
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\lim_{y\to 0} \frac{\sin y}{y} = 1
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