Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-18 20:11Z
9y² + 1y + 4 = 0
det| 8 6 ; 6 9 | = 36
40K
det| 2 7 ; 7 3 | = -43
297K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 4 4 ; 5 5 | = 0
138K
\frac{7}{8} \sum_{i=1}^{n} i^{2}
det| 12 1 ; 5 13 | = 151
176K
det| 7 4 ; 4 8 | = 40
67K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\oint_C \vec{F}\cdot d\vec{r} = 0
322K
\lim_{x\to 0} \frac{\sin x}{x} = 1
374K
det| 9 9 ; 5 10 | = 45
112K
∫₀^∞ e^(-n²) dn = √π / 2
247K
∑_{k=1}^{n} k = n(n+1)/2
417K