Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 15:55Z
\frac{7}{8} \sum_{i=1}^{n} i^{2}
AgNO₃ + NaCl → AgCl↓ + NaNO₃
8K
CaCO₃ → CaO + CO₂
det| 11 9 ; 0 12 | = 132
102K
det| 9 4 ; 1 10 | = 86
57K
\frac{3}{5} \sum_{i=1}^{n} i^{2}
det| 9 7 ; 3 10 | = 69
276K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∑_{k=1}^{n} k = n(n+1)/2
det| 3 6 ; 0 4 | = 12
62K
∇²θ = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
46K
det| 9 1 ; 7 10 | = 83
\oint_C \vec{F}\cdot d\vec{r} = 0