Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 21:18Z
det| 12 9 ; 4 13 | = 120
det| 9 4 ; 1 10 | = 86
326K
∑_{k=1}^{n} k = n(n+1)/2
198K
∂α/∂n = 1α
∑_{k=1}^{n} k = n(n+1)/2
63K
det| 7 9 ; 3 8 | = 29
det| 3 1 ; 7 4 | = 5
366K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 3 3 ; 4 4 | = 0
319K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
359K
det| 7 2 ; 1 8 | = 54