Math Dump /sym/1068ec
id=853819 · host=jp.commstar.world · 2026-09-01 21:08Z
∑_{k=1}^{n} k = n(n+1)/2
det| 4 1 ; 6 5 | = 14
402K
2n² + 8n + 7 = 0
det| 5 3 ; 7 6 | = 9
398K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
6r² + 2r + 4 = 0
2x² + 9x + 4 = 0
det| 4 5 ; 7 5 | = -15
e^{i\pi} + 1 = 0
det| 9 3 ; 0 10 | = 90
det| 11 7 ; 3 12 | = 111
F = ma
CH₄ + 2O₂ → CO₂ + 2H₂O