Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 02:10Z
PV = nRT
\lim_{x\to 0} \frac{\sin x}{x} = 1
244K
∑_{k=1}^{n} k = n(n+1)/2
52K
det| 7 2 ; 2 8 | = 52
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\binom{n}{k} = \frac{n!}{k!(n-k)!}
100K
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 4 6 ; 4 5 | = -4
137K
det| 7 4 ; 4 8 | = 40
197K
e^{i\pi} + 1 = 0
∑_{k=1}^{n} k = n(n+1)/2
196K