Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 00:29Z
2H₂ + O₂ → 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
244K
det| 5 6 ; 1 6 | = 24
52K
det| 8 8 ; 7 9 | = 16
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
90K
CH₄ + 2O₂ → CO₂ + 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 5 6 ; 4 6 | = 6
137K
det| 9 4 ; 1 10 | = 86
196K
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
218K
\frac{8}{6} \sum_{i=1}^{n} i^{2}
299K