Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 17:07Z
\frac{12}{7} \sum_{i=1}^{n} i^{2}
det| 2 7 ; 7 3 | = -43
479K
\lim_{x\to 0} \frac{\sin x}{x} = 1
8K
CH₄ + 2O₂ → CO₂ + 2H₂O
det| 4 8 ; 3 5 | = -4
102K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
AgNO₃ + NaCl → AgCl↓ + NaNO₃
276K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
257K
∑_{k=1}^{n} k = n(n+1)/2
62K
det| 7 4 ; 4 8 | = 40
256K