Math Dump /sym/4e4d87
id=8335 · host=jp.commstar.world · 2026-09-01 21:05Z
E = mc²
det| 4 1 ; 6 5 | = 14
402K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 5 3 ; 7 6 | = 9
398K
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
e^{i\pi} + 1 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{4}{7} \sum_{i=1}^{n} i^{2}
det| 4 3 ; 0 5 | = 20
\lim_{n\to 0} \frac{\sin n}{n} = 1
CaCO₃ → CaO + CO₂
∫₀^∞ e^(-x²) dx = √π / 2