Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 17:06Z
\frac{12}{7} \sum_{i=1}^{n} i^{2}
\frac{8}{6} \sum_{i=1}^{n} i^{2}
479K
∑_{k=1}^{n} k = n(n+1)/2
8K
CH₄ + 2O₂ → CO₂ + 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
102K
det| 11 9 ; 5 12 | = 87
57K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
d/dz [z^11] = 11z^10
264K
\oint_C \vec{F}\cdot d\vec{r} = 0
276K
\frac{2}{2} \sum_{i=1}^{n} i^{2}
257K
∑_{k=1}^{n} k = n(n+1)/2
62K
det| 9 4 ; 1 10 | = 86
46K