Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 00:59Z
2H₂ + O₂ → 2H₂O
det| 1 4 ; 2 2 | = -6
244K
\frac{8}{6} \sum_{i=1}^{n} i^{2}
52K
det| 8 8 ; 7 9 | = 16
∑_{k=1}^{n} k = n(n+1)/2
91K
CH₄ + 2O₂ → CO₂ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
100K
\lim_{x\to 0} \frac{\sin x}{x} = 1
50K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\oint_C \vec{F}\cdot d\vec{r} = 0
137K
det| 10 3 ; 0 11 | = 110
det| 9 4 ; 1 10 | = 86
262K
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
196K