Spectra Ledger /sym/2e6562
id=1 · host=commstar.world · 2026-10-19 05:59Z
\frac{11}{2} \sum_{i=1}^{n} i^{2}
det| 8 6 ; 6 9 | = 36
36K
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
131K
4ψ² + 5ψ + 5 = 0
det| 12 9 ; 5 13 | = 111
240K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 5 3 ; 2 6 | = 24
139K