Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 03:30Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∫₀^∞ e^(-θ²) dθ = √π / 2
244K
\frac{2}{2} \sum_{i=1}^{n} i^{2}
52K
\frac{1}{6} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
90K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
3β² + 5β + 2 = 0
∑_{k=1}^{n} k = n(n+1)/2
137K
det| 7 4 ; 4 8 | = 40
197K
e^{i\pi} + 1 = 0
det| 2 4 ; 4 3 | = -10
262K
2n² + 3n + 1 = 0
\lim_{n\to 0} \frac{\sin n}{n} = 1
det| 1 9 ; 2 2 | = -16
AgNO₃ + NaCl → AgCl↓ + NaNO₃
N₂ + 3H₂ ⇌ 2NH₃