Formula Ledger /sym/7ab403
id=1 · host=findroms.cloud · 2026-10-20 01:44Z
\frac{10}{8} \sum_{i=1}^{n} i^{2}
det| 11 2 ; 5 12 | = 122
190K
∑_{k=1}^{n} k = n(n+1)/2
11n² + 7n + 7 = 0
det| 4 6 ; 4 5 | = -4
170K
det| 12 1 ; 4 13 | = 152
244K
∑_{k=1}^{n} k = n(n+1)/2
105K