Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 20:01Z
∑_{k=1}^{n} k = n(n+1)/2
Fe₂O₃ + 3CO → 2Fe + 3CO₂
244K
∫₀^∞ e^(-α²) dα = √π / 2
52K
6ω² + 3ω + 2 = 0
det| 7 7 ; 4 8 | = 28
90K
CH₄ + 2O₂ → CO₂ + 2H₂O
∫₀^∞ e^(-n²) dn = √π / 2
100K
det| 7 4 ; 4 8 | = 40
50K
det| 8 3 ; 4 9 | = 60
∑_{k=1}^{n} k = n(n+1)/2
137K
9x² + 3x + 6 = 0