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
AgNO₃ + NaCl → AgCl↓ + NaNO₃
102K
\frac{3}{5} \sum_{i=1}^{n} i^{2}
det| 10 7 ; 3 11 | = 89
264K
det| 7 4 ; 4 8 | = 40
276K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\oint_C \vec{F}\cdot d\vec{r} = 0
62K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
256K