Math Dump /sym/f6057d
id=702201 · host=jp.commstar.world · 2026-09-01 21:05Z
∑_{k=1}^{n} k = n(n+1)/2
det| 4 1 ; 6 5 | = 14
402K
det| 12 7 ; 6 13 | = 114
det| 5 3 ; 7 6 | = 9
398K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
det| 5 3 ; 5 6 | = 15
det| 11 3 ; 2 12 | = 126
det| 7 2 ; 0 8 | = 56
\frac{8}{2} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 1 7 ; 2 2 | = -12
N₂ + 3H₂ ⇌ 2NH₃
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂