Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 07:47Z
det| 9 7 ; 5 10 | = 55
\binom{n}{k} = \frac{n!}{k!(n-k)!}
269K
∇²α = 0
∑_{k=1}^{n} k = n(n+1)/2
131K
det| 9 3 ; 0 10 | = 90
det| 8 5 ; 3 9 | = 57
376K
∂t/∂θ = 5t
\oint_C \vec{F}\cdot d\vec{r} = 0
344K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 9 9 ; 5 10 | = 45
91K
det| 9 4 ; 1 10 | = 86
201K
det| 1 5 ; 4 2 | = -18
\frac{4}{6} \sum_{i=1}^{n} i^{2}
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
∑_{k=1}^{n} k = n(n+1)/2