Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-20 21:55Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
445K
λ = h/p
\binom{n}{k} = \frac{n!}{k!(n-k)!}
322K
det| 10 5 ; 4 11 | = 90
235K
det| 10 8 ; 1 11 | = 102
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
212K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
362K
∑_{k=1}^{n} k = n(n+1)/2
λ = h/p