Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-18 23:28Z
ΔS ≥ 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
238K
det| 4 6 ; 2 5 | = 8
\oint_C \vec{F}\cdot d\vec{r} = 0
270K
ΔS ≥ 0
det| 9 4 ; 1 10 | = 86
330K
\lim_{n\to 0} \frac{\sin n}{n} = 1
∑_{k=1}^{n} k = n(n+1)/2
95K
det| 12 9 ; 3 13 | = 129
det| 9 4 ; 3 10 | = 78
det| 5 1 ; 4 6 | = 26
AgNO₃ + NaCl → AgCl↓ + NaNO₃
Fe₂O₃ + 3CO → 2Fe + 3CO₂