Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 00:09Z
∇ × E = −∂B/∂t
\binom{n}{k} = \frac{n!}{k!(n-k)!}
36K
det| 11 2 ; 1 12 | = 130
\binom{n}{k} = \frac{n!}{k!(n-k)!}
158K
∑_{k=1}^{n} k = n(n+1)/2
det| 4 3 ; 6 5 | = 2
376K
det| 1 1 ; 1 2 | = 1
Fe₂O₃ + 3CO → 2Fe + 3CO₂
139K
\oint_C \vec{F}\cdot d\vec{r} = 0
91K
det| 1 5 ; 5 2 | = -23
201K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
399K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
347K
\oint_C \vec{F}\cdot d\vec{r} = 0
443K
∑_{k=1}^{n} k = n(n+1)/2
333K
\oint_C \vec{F}\cdot d\vec{r} = 0
137K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
333K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
379K
∑_{k=1}^{n} k = n(n+1)/2
332K