Reaction Log /sym/649cc0
id=1 · host=co.gridbatch.net · 2026-10-17 23:15Z
∑_{k=1}^{n} k = n(n+1)/2
\frac{6}{7} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
det| 9 4 ; 1 10 | = 86
152K
11θ² + 3θ + 2 = 0
det| 3 6 ; 0 4 | = 12
329K
det| 12 9 ; 5 13 | = 111
368K