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
479K
CaCO₃ → CaO + CO₂
det| 7 4 ; 4 8 | = 40
102K
∑_{k=1}^{n} k = n(n+1)/2
57K
\frac{3}{5} \sum_{i=1}^{n} i^{2}
det| 5 6 ; 4 6 | = 6
264K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
276K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 2 4 ; 4 3 | = -10
257K
\oint_C \vec{F}\cdot d\vec{r} = 0
250K
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
62K
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
256K