ref 4e2d043d
Symbolic Index /sym/e0f763
id=18 · host=au.commstar.world · 2026-10-16 15:02Z
det| 3 5 ; 6 4 | = -18
∑_{k=1}^{n} k = n(n+1)/2
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 6 5 ; 1 7 | = 37
395K
PV = nRT
det| 7 3 ; 0 8 | = 56
312K
CH₄ + 2O₂ → CO₂ + 2H₂O
372K
∑_{k=1}^{n} k = n(n+1)/2