Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 15:59Z
\frac{7}{8} \sum_{i=1}^{n} i^{2}
AgNO₃ + NaCl → AgCl↓ + NaNO₃
8K
CaCO₃ → CaO + CO₂
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
102K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
57K
\frac{3}{5} \sum_{i=1}^{n} i^{2}
CH₄ + 2O₂ → CO₂ + 2H₂O
264K
det| 7 4 ; 4 8 | = 40
276K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
62K
∇²θ = 0
∑_{k=1}^{n} k = n(n+1)/2
det| 9 1 ; 7 10 | = 83
\oint_C \vec{F}\cdot d\vec{r} = 0