Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 20:58Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
36K
12ω² + 6ω + 7 = 0
det| 3 3 ; 4 4 | = 0
158K
d/dn [n^4] = 4n^3
Fe₂O₃ + 3CO → 2Fe + 3CO₂
139K
det| 9 4 ; 1 10 | = 86
344K
∫₀^∞ e^(-t²) dt = √π / 2
201K
∑_{k=1}^{n} k = n(n+1)/2
295K
det| 8 2 ; 7 9 | = 58
399K