Reaction Log /sym/649cc0
id=1 · host=co.gridbatch.net · 2026-10-18 00:15Z
\oint_C \vec{F}\cdot d\vec{r} = 0
∑_{k=1}^{n} k = n(n+1)/2
109K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
122K
∑_{k=1}^{n} k = n(n+1)/2
163K
det| 3 6 ; 0 4 | = 12
\binom{n}{k} = \frac{n!}{k!(n-k)!}
250K
\frac{5}{8} \sum_{i=1}^{n} i^{2}
261K
∇²y = 0
\frac{2}{9} \sum_{i=1}^{n} i^{2}
352K
CaCO₃ → CaO + CO₂
det| 9 7 ; 1 10 | = 83
99K
∑_{k=1}^{n} k = n(n+1)/2
det| 6 3 ; 4 7 | = 30
341K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
413K