Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 20:38Z
det| 1 9 ; 3 2 | = -25
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
\lim_{t\to 0} \frac{\sin t}{t} = 1
57K
det| 11 4 ; 0 12 | = 132
\frac{2}{2} \sum_{i=1}^{n} i^{2}
264K
∑_{k=1}^{n} k = n(n+1)/2
276K
∫₀^∞ e^(-r²) dr = √π / 2
det| 7 4 ; 4 8 | = 40
257K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
250K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 7 7 ; 4 8 | = 28
62K
∑_{k=1}^{n} k = n(n+1)/2
256K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
46K
∑_{k=1}^{n} k = n(n+1)/2
164K