Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 15:57Z
\frac{7}{8} \sum_{i=1}^{n} i^{2}
CaCO₃ → CaO + CO₂
det| 2 7 ; 7 3 | = -43
102K
\frac{3}{5} \sum_{i=1}^{n} i^{2}
det| 5 6 ; 4 6 | = 6
264K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
276K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\oint_C \vec{F}\cdot d\vec{r} = 0
257K
∑_{k=1}^{n} k = n(n+1)/2
PV = nRT