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| 9 6 ; 0 10 | = 90
8K
CaCO₃ → CaO + CO₂
AgNO₃ + NaCl → AgCl↓ + NaNO₃
57K
\frac{3}{5} \sum_{i=1}^{n} i^{2}
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
264K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
276K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 11 5 ; 0 12 | = 132
257K
det| 9 4 ; 1 10 | = 86
250K
∑_{k=1}^{n} k = n(n+1)/2
det| 4 2 ; 3 5 | = 14
62K