Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 17:27Z
CH₄ + 2O₂ → CO₂ + 2H₂O
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
244K
det| 3 1 ; 3 4 | = 9
∑_{k=1}^{n} k = n(n+1)/2
90K
det| 2 7 ; 7 3 | = -43
91K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∑_{k=1}^{n} k = n(n+1)/2
100K
det| 7 4 ; 4 8 | = 40
50K
5β² + 1β + 1 = 0
det| 10 5 ; 4 11 | = 90
137K
det| 9 6 ; 0 10 | = 90
197K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{9}{1} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
218K
\oint_C \vec{F}\cdot d\vec{r} = 0