Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 01:28Z
∑_{k=1}^{n} k = n(n+1)/2
det| 9 4 ; 1 10 | = 86
75K
3β² + 6β + 2 = 0
det| 5 6 ; 7 6 | = -12
276K
F = ma
\frac{12}{6} \sum_{i=1}^{n} i^{2}
390K
\frac{8}{7} \sum_{i=1}^{n} i^{2}
\oint_C \vec{F}\cdot d\vec{r} = 0
1K
1x² + 5x + 7 = 0
∇²ψ = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃