Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-08-19 19:33Z
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\lim_{α\to 0} \frac{\sin α}{α} = 1
134K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
283K
λ = h/p
\frac{11}{8} \sum_{i=1}^{n} i^{2}
132K
\oint_C \vec{F}\cdot d\vec{r} = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
275K
1γ² + 4γ + 2 = 0
∫₀^∞ e^(-α²) dα = √π / 2
362K
\oint_C \vec{F}\cdot d\vec{r} = 0
89K
∑_{k=1}^{n} k = n(n+1)/2
259K
det| 11 7 ; 6 12 | = 90
103K