Field Notes / Σ /sym/b26508
id=1 · host=uk.mattivster.me · 2026-10-25 12:47Z
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 7 4 ; 4 8 | = 40
18K
\frac{12}{3} \sum_{i=1}^{n} i^{2}
det| 5 9 ; 0 6 | = 30
335K
∇²x = 0
det| 6 4 ; 4 7 | = 26
274K
det| 5 5 ; 6 6 | = 0
\frac{11}{2} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
54K
∑_{k=1}^{n} k = n(n+1)/2
442K