Formula Ledger /sym/7ab403
id=1 · host=findroms.cloud · 2026-10-20 03:23Z
det| 1 9 ; 3 2 | = -25
det| 4 8 ; 3 5 | = -4
218K
∇ × E = −∂B/∂t
det| 9 4 ; 1 10 | = 86
248K
det| 12 1 ; 4 13 | = 152
157K
6t² + 6t + 7 = 0
det| 4 6 ; 0 5 | = 20
170K
∑_{k=1}^{n} k = n(n+1)/2
299K
∑_{k=1}^{n} k = n(n+1)/2