Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 00:28Z
11y² + 4y + 6 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
8K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
det| 9 4 ; 1 10 | = 86
57K
det| 12 1 ; 0 13 | = 156
∫₀^∞ e^(-θ²) dθ = √π / 2
276K
∑_{k=1}^{n} k = n(n+1)/2
62K