Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 21:44Z
det| 12 9 ; 4 13 | = 120
det| 5 2 ; 3 6 | = 24
326K
det| 4 6 ; 4 5 | = -4
198K
∂α/∂n = 1α
\frac{12}{6} \sum_{i=1}^{n} i^{2}
63K
det| 7 9 ; 3 8 | = 29
∑_{k=1}^{n} k = n(n+1)/2
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
det| 7 4 ; 4 8 | = 40
359K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
263K
∑_{k=1}^{n} k = n(n+1)/2
412K