Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-18 20:25Z
9y² + 1y + 4 = 0
∑_{k=1}^{n} k = n(n+1)/2
297K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 11 9 ; 5 12 | = 87
138K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
138K
\frac{7}{8} \sum_{i=1}^{n} i^{2}
det| 6 6 ; 2 7 | = 30
67K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\oint_C \vec{F}\cdot d\vec{r} = 0
306K
det| 9 4 ; 1 10 | = 86
322K