Reaction Log /sym/649cc0
id=1 · host=co.gridbatch.net · 2026-10-17 23:02Z
∑_{k=1}^{n} k = n(n+1)/2
\frac{1}{7} \sum_{i=1}^{n} i^{2}
465K
det| 9 4 ; 1 10 | = 86
154K
\frac{6}{7} \sum_{i=1}^{n} i^{2}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
230K
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
119K
11θ² + 3θ + 2 = 0
\lim_{t\to 0} \frac{\sin t}{t} = 1
255K
\oint_C \vec{F}\cdot d\vec{r} = 0
173K
\frac{8}{6} \sum_{i=1}^{n} i^{2}
314K
∑_{k=1}^{n} k = n(n+1)/2
180K