Math Dump /sym/28a010
id=811311 · host=jp.commstar.world · 2026-09-01 21:07Z
\frac{12}{4} \sum_{i=1}^{n} i^{2}
det| 4 1 ; 6 5 | = 14
402K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 5 3 ; 7 6 | = 9
398K
1φ² + 5φ + 5 = 0
e^{i\pi} + 1 = 0
∇ × E = −∂B/∂t
E = mc²
N₂ + 3H₂ ⇌ 2NH₃
PV = nRT
10θ² + 7θ + 1 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
d/dt [t^5] = 5t^4
∑_{k=1}^{n} k = n(n+1)/2