Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 18:39Z
6r² + 7r + 2 = 0
det| 7 4 ; 4 8 | = 40
479K
F = ma
det| 5 3 ; 2 6 | = 24
129K
det| 3 7 ; 1 4 | = 5
det| 5 3 ; 7 6 | = 9
390K
ΔS ≥ 0
∑_{k=1}^{n} k = n(n+1)/2
153K
∑_{k=1}^{n} k = n(n+1)/2
338K