Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 18:43Z
det| 11 8 ; 0 12 | = 132
N₂ + 3H₂ ⇌ 2NH₃
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
90K
det| 9 4 ; 1 10 | = 86
91K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 11 9 ; 0 12 | = 132
50K
∑_{k=1}^{n} k = n(n+1)/2
137K