Math Dump /sym/8ac59b
id=239780 · host=jp.commstar.world · 2026-09-01 21:12Z
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 4 1 ; 6 5 | = 14
402K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 5 3 ; 7 6 | = 9
398K
∫₀^∞ e^(-t²) dt = √π / 2
∑_{k=1}^{n} k = n(n+1)/2
det| 8 4 ; 5 9 | = 52
\frac{8}{9} \sum_{i=1}^{n} i^{2}
det| 10 9 ; 1 11 | = 101
\oint_C \vec{F}\cdot d\vec{r} = 0
∂n/∂γ = 6n
N₂ + 3H₂ ⇌ 2NH₃
\frac{8}{3} \sum_{i=1}^{n} i^{2}
4ω² + 3ω + 1 = 0