Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-19 02:11Z
\lim_{r\to 0} \frac{\sin r}{r} = 1
E = mc²
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 2 4 ; 4 3 | = -10
264K
det| 7 4 ; 4 8 | = 40
276K
∇ × E = −∂B/∂t
AgNO₃ + NaCl → AgCl↓ + NaNO₃
257K
\oint_C \vec{F}\cdot d\vec{r} = 0
250K
λ = h/p
∑_{k=1}^{n} k = n(n+1)/2
62K
∑_{k=1}^{n} k = n(n+1)/2
256K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
164K