Reaction Log /sym/649cc0
id=1 · host=co.gridbatch.net · 2026-10-17 23:15Z
∑_{k=1}^{n} k = n(n+1)/2
∫₀^∞ e^(-t²) dt = √π / 2
465K
\frac{6}{7} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
230K
∑_{k=1}^{n} k = n(n+1)/2
\lim_{r\to 0} \frac{\sin r}{r} = 1
119K
\frac{11}{8} \sum_{i=1}^{n} i^{2}
152K
11θ² + 3θ + 2 = 0
det| 7 4 ; 4 8 | = 40
255K
\frac{4}{6} \sum_{i=1}^{n} i^{2}
329K
\lim_{α\to 0} \frac{\sin α}{α} = 1
180K