Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 21:25Z
det| 12 9 ; 4 13 | = 120
det| 7 4 ; 4 8 | = 40
326K
∂α/∂n = 1α
det| 1 1 ; 5 2 | = -3
155K
det| 7 9 ; 3 8 | = 29
Fe₂O₃ + 3CO → 2Fe + 3CO₂
366K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
176K
∑_{k=1}^{n} k = n(n+1)/2
319K