Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-20 21:23Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
445K
det| 9 4 ; 1 10 | = 86
193K
λ = h/p
\binom{n}{k} = \frac{n!}{k!(n-k)!}
235K
det| 10 8 ; 1 11 | = 102
det| 8 5 ; 3 9 | = 57
362K
∑_{k=1}^{n} k = n(n+1)/2
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
179K
λ = h/p
\oint_C \vec{F}\cdot d\vec{r} = 0
442K
\frac{2}{2} \sum_{i=1}^{n} i^{2}
42K
det| 2 7 ; 4 3 | = -22
\frac{3}{2} \sum_{i=1}^{n} i^{2}
369K