Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 03:23Z
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
\oint_C \vec{F}\cdot d\vec{r} = 0
36K
det| 2 2 ; 4 3 | = -2
269K
10y² + 7y + 7 = 0
CaCO₃ → CaO + CO₂
AgNO₃ + NaCl → AgCl↓ + NaNO₃
240K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
376K
10y² + 4y + 6 = 0
det| 9 4 ; 1 10 | = 86
344K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 2 4 ; 4 3 | = -10
201K
∑_{k=1}^{n} k = n(n+1)/2
295K