Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 17:05Z
\frac{12}{7} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
479K
CH₄ + 2O₂ → CO₂ + 2H₂O
Fe₂O₃ + 3CO → 2Fe + 3CO₂
102K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∇²α = 0
det| 10 7 ; 3 11 | = 89
257K
det| 2 7 ; 7 3 | = -43
46K