Reaction Log /sym/649cc0
id=1 · host=co.gridbatch.net · 2026-10-17 23:55Z
∑_{k=1}^{n} k = n(n+1)/2
det| 8 6 ; 5 9 | = 42
154K
\frac{6}{7} \sum_{i=1}^{n} i^{2}
\frac{8}{6} \sum_{i=1}^{n} i^{2}
60K
∑_{k=1}^{n} k = n(n+1)/2
\lim_{α\to 0} \frac{\sin α}{α} = 1
119K
11θ² + 3θ + 2 = 0
det| 7 7 ; 6 8 | = 14
\oint_C \vec{F}\cdot d\vec{r} = 0
329K
7ψ² + 4ψ + 3 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
314K