Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 18:29Z
9n² + 9n + 6 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
36K
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
240K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
376K
ΔS ≥ 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃
139K
∂x/∂ω = 9x
det| 9 4 ; 1 10 | = 86
201K
det| 2 6 ; 0 3 | = 6
295K
∑_{k=1}^{n} k = n(n+1)/2
399K