Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 00:48Z
2H₂ + O₂ → 2H₂O
det| 8 8 ; 7 9 | = 16
Fe₂O₃ + 3CO → 2Fe + 3CO₂
91K
CH₄ + 2O₂ → CO₂ + 2H₂O
det| 9 6 ; 0 10 | = 90
100K
det| 9 4 ; 1 10 | = 86
50K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
137K
det| 10 3 ; 0 11 | = 110
∑_{k=1}^{n} k = n(n+1)/2
262K
9z² + 8z + 1 = 0