Field Notes / Σ /sym/3cad98
id=1 · host=formula-vault.cloud · 2026-10-20 06:04Z
det| 3 9 ; 6 4 | = -42
∑_{k=1}^{n} k = n(n+1)/2
168K
∑_{k=1}^{n} k = n(n+1)/2
446K
∑_{k=1}^{n} k = n(n+1)/2
2z² + 2z + 5 = 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
259K
det| 7 9 ; 1 8 | = 47
86K
∑_{k=1}^{n} k = n(n+1)/2
224K
det| 9 4 ; 1 10 | = 86
70K