Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 01:28Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
75K
∑_{k=1}^{n} k = n(n+1)/2
479K
3β² + 6β + 2 = 0
det| 7 4 ; 4 8 | = 40
276K
F = ma
det| 1 4 ; 3 2 | = -10
390K
\frac{8}{7} \sum_{i=1}^{n} i^{2}
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
1K
1x² + 5x + 7 = 0