Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-18 20:15Z
9y² + 1y + 4 = 0
∑_{k=1}^{n} k = n(n+1)/2
297K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 2 2 ; 4 3 | = -2
138K
∑_{k=1}^{n} k = n(n+1)/2
138K
\frac{7}{8} \sum_{i=1}^{n} i^{2}
det| 7 4 ; 4 8 | = 40
176K
\frac{12}{6} \sum_{i=1}^{n} i^{2}
67K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 4 6 ; 4 5 | = -4
306K