Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 21:34Z
det| 12 9 ; 4 13 | = 120
∂α/∂n = 1α
det| 7 9 ; 3 8 | = 29
∑_{k=1}^{n} k = n(n+1)/2
201K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 3 3 ; 4 4 | = 0
319K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 7 2 ; 1 8 | = 54