Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 03:15Z
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
\frac{2}{2} \sum_{i=1}^{n} i^{2}
269K
10y² + 7y + 7 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
158K
CaCO₃ → CaO + CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
240K
∑_{k=1}^{n} k = n(n+1)/2
376K
10y² + 4y + 6 = 0
det| 3 6 ; 0 4 | = 12
139K
\oint_C \vec{F}\cdot d\vec{r} = 0
344K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 9 4 ; 1 10 | = 86
201K
λ = h/p