Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 15:59Z
\frac{7}{8} \sum_{i=1}^{n} i^{2}
det| 1 4 ; 2 2 | = -6
479K
CaCO₃ → CaO + CO₂
\frac{3}{5} \sum_{i=1}^{n} i^{2}
det| 3 3 ; 4 4 | = 0
276K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∑_{k=1}^{n} k = n(n+1)/2
det| 9 4 ; 1 10 | = 86
62K