Reaction Log /sym/649cc0
id=1 · host=co.gridbatch.net · 2026-10-17 23:12Z
∑_{k=1}^{n} k = n(n+1)/2
\frac{6}{7} \sum_{i=1}^{n} i^{2}
\lim_{β\to 0} \frac{\sin β}{β} = 1
230K
∑_{k=1}^{n} k = n(n+1)/2
\frac{4}{9} \sum_{i=1}^{n} i^{2}
119K
11θ² + 3θ + 2 = 0
\lim_{t\to 0} \frac{\sin t}{t} = 1
255K
\lim_{r\to 0} \frac{\sin r}{r} = 1
173K
det| 7 4 ; 4 8 | = 40
329K
det| 5 9 ; 7 6 | = -33
314K
∑_{k=1}^{n} k = n(n+1)/2
180K