Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 15:59Z
\frac{7}{8} \sum_{i=1}^{n} i^{2}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
8K
CaCO₃ → CaO + CO₂
det| 3 3 ; 4 4 | = 0
102K
\frac{3}{5} \sum_{i=1}^{n} i^{2}
\lim_{α\to 0} \frac{\sin α}{α} = 1
276K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 11 9 ; 5 12 | = 87
257K
∑_{k=1}^{n} k = n(n+1)/2
250K