Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 02:11Z
PV = nRT
det| 7 2 ; 2 8 | = 52
\binom{n}{k} = \frac{n!}{k!(n-k)!}
90K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\binom{n}{k} = \frac{n!}{k!(n-k)!}
50K
\oint_C \vec{F}\cdot d\vec{r} = 0
e^{i\pi} + 1 = 0
\frac{12}{6} \sum_{i=1}^{n} i^{2}
262K
\frac{7}{3} \sum_{i=1}^{n} i^{2}