Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 15:58Z
\frac{7}{8} \sum_{i=1}^{n} i^{2}
d/dz [z^11] = 11z^10
479K
CaCO₃ → CaO + CO₂
AgNO₃ + NaCl → AgCl↓ + NaNO₃
102K
\frac{3}{5} \sum_{i=1}^{n} i^{2}
det| 7 4 ; 4 8 | = 40
264K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∑_{k=1}^{n} k = n(n+1)/2
∫₀^∞ e^(-φ²) dφ = √π / 2
62K
∇²θ = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
46K
∑_{k=1}^{n} k = n(n+1)/2