Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 00:40Z
2H₂ + O₂ → 2H₂O
∫₀^∞ e^(-x²) dx = √π / 2
52K
det| 8 8 ; 7 9 | = 16
det| 9 4 ; 1 10 | = 86
91K
CH₄ + 2O₂ → CO₂ + 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
137K