Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 17:50Z
\frac{12}{7} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
479K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
8K
CH₄ + 2O₂ → CO₂ + 2H₂O
\oint_C \vec{F}\cdot d\vec{r} = 0
102K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∫₀^∞ e^(-x²) dx = √π / 2
276K
∇²α = 0
det| 11 5 ; 0 12 | = 132
257K
det| 9 4 ; 1 10 | = 86
62K
∑_{k=1}^{n} k = n(n+1)/2
46K