Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-20 22:09Z
\lim_{z\to 0} \frac{\sin z}{z} = 1
∑_{k=1}^{n} k = n(n+1)/2
445K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
193K
PV = nRT
\frac{12}{7} \sum_{i=1}^{n} i^{2}
322K
det| 9 3 ; 7 10 | = 69
\binom{n}{k} = \frac{n!}{k!(n-k)!}
362K
∇ × E = −∂B/∂t
det| 9 4 ; 1 10 | = 86
442K
\frac{2}{2} \sum_{i=1}^{n} i^{2}
42K
∑_{k=1}^{n} k = n(n+1)/2
41K