Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 15:59Z
\frac{7}{8} \sum_{i=1}^{n} i^{2}
CaCO₃ → CaO + CO₂
det| 11 2 ; 5 12 | = 122
102K
\frac{3}{5} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
264K
det| 10 5 ; 4 11 | = 90
276K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∑_{k=1}^{n} k = n(n+1)/2