Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-20 18:57Z
2H₂ + O₂ → 2H₂O
det| 7 4 ; 4 8 | = 40
445K
\oint_C \vec{F}\cdot d\vec{r} = 0
193K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 8 5 ; 3 9 | = 57
322K
∑_{k=1}^{n} k = n(n+1)/2
235K
λ = h/p
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
405K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
442K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
42K