Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 15:57Z
\frac{7}{8} \sum_{i=1}^{n} i^{2}
CaCO₃ → CaO + CO₂
\frac{3}{5} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
276K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 7 4 ; 4 8 | = 40
250K
∑_{k=1}^{n} k = n(n+1)/2
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
62K
∫₀^∞ e^(-θ²) dθ = √π / 2
256K
∇²θ = 0