Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 14:36Z
∑_{k=1}^{n} k = n(n+1)/2
det| 12 5 ; 4 13 | = 136
det| 8 2 ; 7 9 | = 58
90K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∫₀^∞ e^(-n²) dn = √π / 2
100K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
50K
∑_{k=1}^{n} k = n(n+1)/2
137K