Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 17:07Z
\frac{12}{7} \sum_{i=1}^{n} i^{2}
\frac{12}{6} \sum_{i=1}^{n} i^{2}
479K
CH₄ + 2O₂ → CO₂ + 2H₂O
\lim_{x\to 0} \frac{\sin x}{x} = 1
102K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
276K
det| 7 4 ; 4 8 | = 40
257K
det| 8 2 ; 7 9 | = 58
250K
\oint_C \vec{F}\cdot d\vec{r} = 0
62K
\oint_C \vec{F}\cdot d\vec{r} = 0
164K