Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-18 20:12Z
9y² + 1y + 4 = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 4 4 ; 5 5 | = 0
138K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
138K
\frac{7}{8} \sum_{i=1}^{n} i^{2}
\frac{8}{6} \sum_{i=1}^{n} i^{2}
176K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 7 4 ; 4 8 | = 40
306K
∑_{k=1}^{n} k = n(n+1)/2
322K