Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-20 18:19Z
6r² + 7r + 2 = 0
det| 11 5 ; 0 12 | = 132
75K
det| 7 4 ; 4 8 | = 40
479K
F = ma
det| 12 1 ; 4 13 | = 152
129K
det| 3 7 ; 1 4 | = 5
∑_{k=1}^{n} k = n(n+1)/2
390K
ΔS ≥ 0
Fe₂O₃ + 3CO → 2Fe + 3CO₂
153K