Math Dump /sym/4734bb
id=994307 · host=jp.commstar.world · 2026-09-01 21:05Z
det| 2 9 ; 4 3 | = -30
det| 4 1 ; 6 5 | = 14
402K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 5 3 ; 7 6 | = 9
398K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
2H₂ + O₂ → 2H₂O
∂θ/∂θ = 8θ
d/dφ [φ^5] = 5φ^4
ΔS ≥ 0
\oint_C \vec{F}\cdot d\vec{r} = 0
7ψ² + 3ψ + 7 = 0
∑_{k=1}^{n} k = n(n+1)/2
d/dφ [φ^3] = 3φ^2