Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 17:44Z
CH₄ + 2O₂ → CO₂ + 2H₂O
det| 3 1 ; 3 4 | = 9
\binom{n}{k} = \frac{n!}{k!(n-k)!}
91K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
5β² + 1β + 1 = 0
det| 9 6 ; 0 10 | = 90
137K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\lim_{t\to 0} \frac{\sin t}{t} = 1
262K
\oint_C \vec{F}\cdot d\vec{r} = 0
196K
\frac{9}{1} \sum_{i=1}^{n} i^{2}
\frac{12}{7} \sum_{i=1}^{n} i^{2}
299K