Reaction Log /sym/649cc0
id=1 · host=co.gridbatch.net · 2026-10-17 23:04Z
∑_{k=1}^{n} k = n(n+1)/2
\frac{6}{7} \sum_{i=1}^{n} i^{2}
∫₀^∞ e^(-r²) dr = √π / 2
60K
∑_{k=1}^{n} k = n(n+1)/2
det| 12 1 ; 5 13 | = 151
152K
11θ² + 3θ + 2 = 0
det| 4 2 ; 6 5 | = 8
173K
det| 7 7 ; 6 8 | = 14