Reaction Log /sym/649cc0
id=1 · host=co.gridbatch.net · 2026-10-19 18:52Z
\frac{11}{7} \sum_{i=1}^{n} i^{2}
\frac{8}{6} \sum_{i=1}^{n} i^{2}
43K
ΔS ≥ 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
98K
det| 8 3 ; 0 9 | = 72
\binom{n}{k} = \frac{n!}{k!(n-k)!}
456K
\frac{4}{9} \sum_{i=1}^{n} i^{2}
310K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∑_{k=1}^{n} k = n(n+1)/2
det| 9 4 ; 1 10 | = 86
401K
\oint_C \vec{F}\cdot d\vec{r} = 0
438K