Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 06:23Z
det| 8 1 ; 6 9 | = 66
det| 9 6 ; 0 10 | = 90
244K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
52K
∑_{k=1}^{n} k = n(n+1)/2
\oint_C \vec{F}\cdot d\vec{r} = 0
90K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
91K
1n² + 9n + 0 = 0
\lim_{α\to 0} \frac{\sin α}{α} = 1
100K
F = ma
d/dω [ω^6] = 6ω^5
∫₀^∞ e^(-θ²) dθ = √π / 2
196K
∫₀^∞ e^(-n²) dn = √π / 2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
218K
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 5 1 ; 5 6 | = 25