Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 18:03Z
6r² + 7r + 2 = 0
∑_{k=1}^{n} k = n(n+1)/2
479K
F = ma
det| 7 4 ; 4 8 | = 40
276K
CH₄ + 2O₂ → CO₂ + 2H₂O
129K
det| 3 7 ; 1 4 | = 5
det| 4 6 ; 4 5 | = -4
191K
∑_{k=1}^{n} k = n(n+1)/2
153K