Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 16:58Z
7φ² + 4φ + 5 = 0
E = mc²
det| 9 4 ; 1 10 | = 86
155K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
63K
e^{i\pi} + 1 = 0
det| 4 8 ; 3 5 | = -4
201K
det| 3 6 ; 0 4 | = 12
319K
∑_{k=1}^{n} k = n(n+1)/2
359K