Reaction Log /sym/649cc0
id=1 · host=co.gridbatch.net · 2026-10-18 00:59Z
\oint_C \vec{F}\cdot d\vec{r} = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
278K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
109K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∑_{k=1}^{n} k = n(n+1)/2
122K
\frac{2}{2} \sum_{i=1}^{n} i^{2}
163K
det| 3 6 ; 0 4 | = 12
∇²y = 0
det| 4 6 ; 4 5 | = -4
352K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
349K
CaCO₃ → CaO + CO₂
det| 7 4 ; 4 8 | = 40
99K
d/dα [α^10] = 10α^9
∑_{k=1}^{n} k = n(n+1)/2