Reaction Log /sym/649cc0
id=1 · host=co.gridbatch.net · 2026-10-17 23:12Z
∑_{k=1}^{n} k = n(n+1)/2
\lim_{β\to 0} \frac{\sin β}{β} = 1
154K
\frac{6}{7} \sum_{i=1}^{n} i^{2}
det| 7 4 ; 4 8 | = 40
60K
\frac{4}{9} \sum_{i=1}^{n} i^{2}
230K
∑_{k=1}^{n} k = n(n+1)/2
\oint_C \vec{F}\cdot d\vec{r} = 0
152K
det| 10 2 ; 3 11 | = 104
255K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
329K
det| 5 9 ; 7 6 | = -33
368K