Formula Ledger /sym/7ab403
id=1 · host=findroms.cloud · 2026-10-20 06:43Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
Fe₂O₃ + 3CO → 2Fe + 3CO₂
218K
\frac{2}{9} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
248K
\oint_C \vec{F}\cdot d\vec{r} = 0
157K
ΔS ≥ 0
\lim_{t\to 0} \frac{\sin t}{t} = 1
170K
∑_{k=1}^{n} k = n(n+1)/2
299K
5θ² + 8θ + 5 = 0
det| 2 9 ; 1 3 | = -3
det| 7 2 ; 1 8 | = 54
138K