Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-20 19:57Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\lim_{x\to 0} \frac{\sin x}{x} = 1
\binom{n}{k} = \frac{n!}{k!(n-k)!}
322K
det| 2 7 ; 7 3 | = -43
235K
∫₀^∞ e^(-α²) dα = √π / 2
∑_{k=1}^{n} k = n(n+1)/2
362K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 7 ; 4 8 | = 28
179K
det| 7 4 ; 4 8 | = 40
405K
det| 7 4 ; 1 8 | = 52
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
442K
det| 5 3 ; 2 6 | = 24
42K
λ = h/p
\binom{n}{k} = \frac{n!}{k!(n-k)!}
41K
det| 8 4 ; 1 9 | = 68
7x² + 9x + 3 = 0