Reaction Log /sym/649cc0
id=1 · host=co.gridbatch.net · 2026-10-18 00:16Z
\oint_C \vec{F}\cdot d\vec{r} = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
109K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\frac{12}{4} \sum_{i=1}^{n} i^{2}
122K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
163K
det| 3 6 ; 0 4 | = 12
∇²y = 0
det| 9 7 ; 1 10 | = 83
352K
CaCO₃ → CaO + CO₂
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
99K
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
305K
∑_{k=1}^{n} k = n(n+1)/2
63K
det| 2 5 ; 0 3 | = 6
462K