Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 20:16Z
∑_{k=1}^{n} k = n(n+1)/2
6ω² + 3ω + 2 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
90K
det| 4 8 ; 3 5 | = -4
91K
CH₄ + 2O₂ → CO₂ + 2H₂O
∫₀^∞ e^(-θ²) dθ = √π / 2
50K
∑_{k=1}^{n} k = n(n+1)/2
197K