Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 17:03Z
CH₄ + 2O₂ → CO₂ + 2H₂O
AgNO₃ + NaCl → AgCl↓ + NaNO₃
244K
det| 3 1 ; 3 4 | = 9
\lim_{x\to 0} \frac{\sin x}{x} = 1
90K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
91K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\frac{12}{6} \sum_{i=1}^{n} i^{2}
50K
5β² + 1β + 1 = 0
det| 3 6 ; 0 4 | = 12
137K
det| 1 4 ; 2 2 | = -6
197K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 4 ; 4 8 | = 40
262K
\frac{9}{1} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
299K