Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 15:58Z
\frac{7}{8} \sum_{i=1}^{n} i^{2}
CaCO₃ → CaO + CO₂
Fe₂O₃ + 3CO → 2Fe + 3CO₂
102K
det| 11 5 ; 0 12 | = 132
57K
\frac{3}{5} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
276K
∫₀^∞ e^(-φ²) dφ = √π / 2
257K