Math Dump /sym/685928
id=555351 · host=jp.commstar.world · 2026-09-01 21:06Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 4 1 ; 6 5 | = 14
402K
∑_{k=1}^{n} k = n(n+1)/2
det| 5 3 ; 7 6 | = 9
398K
\frac{4}{2} \sum_{i=1}^{n} i^{2}
\frac{12}{2} \sum_{i=1}^{n} i^{2}
d/dψ [ψ^1] = 1ψ^0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
E = mc²
PV = nRT
PV = nRT
∑_{k=1}^{n} k = n(n+1)/2
\oint_C \vec{F}\cdot d\vec{r} = 0
det| 5 5 ; 7 6 | = -5