Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 01:28Z
∑_{k=1}^{n} k = n(n+1)/2
det| 7 4 ; 4 8 | = 40
75K
∑_{k=1}^{n} k = n(n+1)/2
479K
3β² + 6β + 2 = 0
F = ma
CH₄ + 2O₂ → CO₂ + 2H₂O
390K
\frac{8}{7} \sum_{i=1}^{n} i^{2}
det| 11 4 ; 5 12 | = 112
153K
1x² + 5x + 7 = 0
det| 4 8 ; 1 5 | = 12