Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 17:03Z
\frac{12}{7} \sum_{i=1}^{n} i^{2}
CH₄ + 2O₂ → CO₂ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
102K
∑_{k=1}^{n} k = n(n+1)/2
57K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 10 3 ; 4 11 | = 98
264K
\oint_C \vec{F}\cdot d\vec{r} = 0
276K
∇²α = 0
det| 9 4 ; 1 10 | = 86
257K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
250K
ω = 2πf
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
256K