Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 03:29Z
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 11 2 ; 5 12 | = 122
36K
10y² + 7y + 7 = 0
det| 2 2 ; 4 3 | = -2
131K
\lim_{α\to 0} \frac{\sin α}{α} = 1
158K
CaCO₃ → CaO + CO₂
det| 9 4 ; 1 10 | = 86
240K
det| 11 5 ; 0 12 | = 132
376K
10y² + 4y + 6 = 0
det| 1 5 ; 1 2 | = -3
344K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
91K
∑_{k=1}^{n} k = n(n+1)/2
201K
λ = h/p
∑_{k=1}^{n} k = n(n+1)/2
399K
det| 7 8 ; 2 8 | = 40