Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 17:06Z
\frac{12}{7} \sum_{i=1}^{n} i^{2}
CH₄ + 2O₂ → CO₂ + 2H₂O
det| 11 9 ; 0 12 | = 132
57K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\oint_C \vec{F}\cdot d\vec{r} = 0
264K
\lim_{α\to 0} \frac{\sin α}{α} = 1
276K
∇²α = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
250K
∑_{k=1}^{n} k = n(n+1)/2
62K
det| 7 4 ; 4 8 | = 40
256K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
46K