Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 02:10Z
PV = nRT
det| 7 4 ; 4 8 | = 40
52K
det| 7 2 ; 2 8 | = 52
∫₀^∞ e^(-θ²) dθ = √π / 2
90K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
100K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
50K
\oint_C \vec{F}\cdot d\vec{r} = 0
∑_{k=1}^{n} k = n(n+1)/2
197K
e^{i\pi} + 1 = 0