Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 02:11Z
PV = nRT
\frac{11}{6} \sum_{i=1}^{n} i^{2}
52K
det| 7 2 ; 2 8 | = 52
det| 9 6 ; 0 10 | = 90
90K
\lim_{x\to 0} \frac{\sin x}{x} = 1
91K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\frac{2}{2} \sum_{i=1}^{n} i^{2}
100K
\oint_C \vec{F}\cdot d\vec{r} = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
197K
e^{i\pi} + 1 = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
262K
∑_{k=1}^{n} k = n(n+1)/2
196K