Reaction Log /sym/649cc0
id=1 · host=co.gridbatch.net · 2026-10-18 00:19Z
\oint_C \vec{F}\cdot d\vec{r} = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
109K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 8 8 ; 2 9 | = 56
122K
\lim_{α\to 0} \frac{\sin α}{α} = 1
163K
det| 3 6 ; 0 4 | = 12
\binom{n}{k} = \frac{n!}{k!(n-k)!}
261K
∇²y = 0
CaCO₃ → CaO + CO₂
det| 8 6 ; 7 9 | = 30
99K
\frac{3}{4} \sum_{i=1}^{n} i^{2}
194K
∑_{k=1}^{n} k = n(n+1)/2
7ψ² + 8ψ + 2 = 0
∑_{k=1}^{n} k = n(n+1)/2
44K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
413K
det| 10 1 ; 4 11 | = 106
63K