Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 07:53Z
det| 9 7 ; 5 10 | = 55
det| 12 9 ; 5 13 | = 111
269K
∇²α = 0
\frac{12}{7} \sum_{i=1}^{n} i^{2}
131K
\lim_{t\to 0} \frac{\sin t}{t} = 1
158K
det| 9 3 ; 0 10 | = 90
det| 11 2 ; 5 12 | = 122
240K
∂t/∂θ = 5t
AgNO₃ + NaCl → AgCl↓ + NaNO₃
139K
det| 7 4 ; 4 8 | = 40
344K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
\binom{n}{k} = \frac{n!}{k!(n-k)!}
91K
∑_{k=1}^{n} k = n(n+1)/2
295K