Formula Ledger /sym/7ab403
id=1 · host=findroms.cloud · 2026-10-20 01:41Z
\frac{10}{8} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
\frac{12}{6} \sum_{i=1}^{n} i^{2}
248K
\frac{3}{2} \sum_{i=1}^{n} i^{2}
157K
11n² + 7n + 7 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
170K
det| 7 4 ; 4 8 | = 40
299K
∑_{k=1}^{n} k = n(n+1)/2
100K
\frac{1}{7} \sum_{i=1}^{n} i^{2}
354K