Reaction Log /sym/649cc0
id=1 · host=co.gridbatch.net · 2026-10-18 00:16Z
\oint_C \vec{F}\cdot d\vec{r} = 0
\frac{11}{2} \sum_{i=1}^{n} i^{2}
109K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∑_{k=1}^{n} k = n(n+1)/2
122K
det| 3 6 ; 0 4 | = 12
\binom{n}{k} = \frac{n!}{k!(n-k)!}
352K
∑_{k=1}^{n} k = n(n+1)/2
99K
\frac{9}{6} \sum_{i=1}^{n} i^{2}
194K
det| 6 9 ; 4 7 | = 6
413K
det| 6 2 ; 0 7 | = 42
297K
\lim_{t\to 0} \frac{\sin t}{t} = 1
17K