Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 15:59Z
\frac{7}{8} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
479K
CaCO₃ → CaO + CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
57K
\frac{3}{5} \sum_{i=1}^{n} i^{2}
∫₀^∞ e^(-ω²) dω = √π / 2
264K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
276K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 7 4 ; 4 8 | = 40
250K
∑_{k=1}^{n} k = n(n+1)/2
\lim_{t\to 0} \frac{\sin t}{t} = 1
62K
\frac{2}{2} \sum_{i=1}^{n} i^{2}
256K
∇²θ = 0
∫₀^∞ e^(-y²) dy = √π / 2
164K