Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 00:28Z
2H₂ + O₂ → 2H₂O
det| 8 2 ; 7 9 | = 58
244K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
52K
det| 8 8 ; 7 9 | = 16
CH₄ + 2O₂ → CO₂ + 2H₂O
det| 9 4 ; 1 10 | = 86
50K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 10 3 ; 0 11 | = 110
∑_{k=1}^{n} k = n(n+1)/2
196K
∑_{k=1}^{n} k = n(n+1)/2
218K