Symbolic Index /sym/ea4bfa
id=1 · host=au.commstar.world · 2026-10-20 02:00Z
PV = nRT
det| 7 2 ; 2 8 | = 52
det| 11 9 ; 5 12 | = 87
90K
∑_{k=1}^{n} k = n(n+1)/2
91K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∑_{k=1}^{n} k = n(n+1)/2
100K
\oint_C \vec{F}\cdot d\vec{r} = 0