Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-18 21:23Z
det| 12 4 ; 4 13 | = 140
∑_{k=1}^{n} k = n(n+1)/2
297K
∇²β = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
138K
det| 10 5 ; 4 11 | = 90
138K
e^{i\pi} + 1 = 0
det| 7 4 ; 4 8 | = 40
176K
\oint_C \vec{F}\cdot d\vec{r} = 0
67K
F = ma
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
306K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\binom{n}{k} = \frac{n!}{k!(n-k)!}
374K
det| 2 9 ; 2 3 | = -12
\binom{n}{k} = \frac{n!}{k!(n-k)!}
247K
7t² + 3t + 6 = 0