Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 17:58Z
\frac{12}{7} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
479K
CH₄ + 2O₂ → CO₂ + 2H₂O
\oint_C \vec{F}\cdot d\vec{r} = 0
102K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∇²α = 0
∫₀^∞ e^(-θ²) dθ = √π / 2
257K
∑_{k=1}^{n} k = n(n+1)/2
250K
ω = 2πf
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
256K
PV = nRT
det| 7 4 ; 4 8 | = 40
46K
N₂ + 3H₂ ⇌ 2NH₃