Formula Ledger /sym/7ab403
id=1 · host=findroms.cloud · 2026-10-20 08:00Z
det| 3 4 ; 6 4 | = -12
∇ × E = −∂B/∂t
Fe₂O₃ + 3CO → 2Fe + 3CO₂
248K
det| 4 6 ; 4 5 | = -4
157K
\lim_{t\to 0} \frac{\sin t}{t} = 1
det| 7 9 ; 1 8 | = 47
105K
∑_{k=1}^{n} k = n(n+1)/2
354K