Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-18 20:43Z
9y² + 1y + 4 = 0
det| 2 7 ; 7 3 | = -43
40K
∫₀^∞ e^(-x²) dx = √π / 2
297K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 7 7 ; 4 8 | = 28
138K
\frac{7}{8} \sum_{i=1}^{n} i^{2}
det| 7 4 ; 4 8 | = 40
176K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
67K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∑_{k=1}^{n} k = n(n+1)/2
306K
∑_{k=1}^{n} k = n(n+1)/2
322K
∫₀^∞ e^(-α²) dα = √π / 2
374K