Reaction Log /sym/649cc0
id=1 · host=co.gridbatch.net · 2026-10-18 00:16Z
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 5 6 ; 4 6 | = 6
109K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
163K
det| 3 6 ; 0 4 | = 12
∑_{k=1}^{n} k = n(n+1)/2
261K
\frac{7}{8} \sum_{i=1}^{n} i^{2}
99K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
194K
∫₀^∞ e^(-t²) dt = √π / 2
320K
\frac{10}{8} \sum_{i=1}^{n} i^{2}
44K
∑_{k=1}^{n} k = n(n+1)/2
305K
\frac{11}{8} \sum_{i=1}^{n} i^{2}
297K
det| 4 2 ; 4 5 | = 12
98K