Reaction Log /sym/649cc0
id=1 · host=co.gridbatch.net · 2026-10-18 00:18Z
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 1 3 ; 4 2 | = -10
109K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\lim_{α\to 0} \frac{\sin α}{α} = 1
122K
det| 4 7 ; 6 5 | = -22
163K
det| 3 6 ; 0 4 | = 12
\lim_{r\to 0} \frac{\sin r}{r} = 1
261K
∇²y = 0
CaCO₃ → CaO + CO₂
∑_{k=1}^{n} k = n(n+1)/2
99K
det| 9 4 ; 2 10 | = 82
194K
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
341K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
305K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
413K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
17K