Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-24 00:43Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
94K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∑_{k=1}^{n} k = n(n+1)/2
340K
2t² + 6t + 2 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
348K
ω = 2πf
\binom{n}{k} = \frac{n!}{k!(n-k)!}
372K
∫₀^∞ e^(-y²) dy = √π / 2