Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 03:21Z
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 9 4 ; 1 10 | = 86
36K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
269K
10y² + 7y + 7 = 0
det| 5 6 ; 4 6 | = 6
131K
CaCO₃ → CaO + CO₂
10y² + 4y + 6 = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃
139K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 10 7 ; 3 11 | = 89
201K
∑_{k=1}^{n} k = n(n+1)/2
295K