Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 19:21Z
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
8K
\oint_C \vec{F}\cdot d\vec{r} = 0
∫₀^∞ e^(-θ²) dθ = √π / 2
102K
∑_{k=1}^{n} k = n(n+1)/2
57K
∂x/∂γ = 3x
\binom{n}{k} = \frac{n!}{k!(n-k)!}
264K
det| 9 4 ; 1 10 | = 86
276K
det| 5 2 ; 4 6 | = 22
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
257K
det| 5 3 ; 2 6 | = 24
\frac{11}{6} \sum_{i=1}^{n} i^{2}
62K
det| 12 9 ; 7 13 | = 93
\oint_C \vec{F}\cdot d\vec{r} = 0