Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 18:17Z
det| 11 8 ; 0 12 | = 132
∑_{k=1}^{n} k = n(n+1)/2
244K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
52K
N₂ + 3H₂ ⇌ 2NH₃
det| 7 4 ; 4 8 | = 40
90K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 11 9 ; 0 12 | = 132
137K
∑_{k=1}^{n} k = n(n+1)/2
197K
det| 11 9 ; 5 12 | = 87
262K