Formula Ledger /sym/7ab403
id=1 · host=findroms.cloud · 2026-10-18 16:59Z
det| 6 1 ; 3 7 | = 39
∇ × E = −∂B/∂t
1ω² + 9ω + 7 = 0
∑_{k=1}^{n} k = n(n+1)/2
det| 7 4 ; 4 8 | = 40
412K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
1K
2H₂ + O₂ → 2H₂O
det| 4 3 ; 3 5 | = 11
1x² + 3x + 7 = 0
N₂ + 3H₂ ⇌ 2NH₃
∑_{k=1}^{n} k = n(n+1)/2