Math Dump /sym/7fd97a
id=1 · host=jp.commstar.world · 2026-10-19 21:30Z
det| 12 9 ; 4 13 | = 120
det| 11 9 ; 5 12 | = 87
326K
∑_{k=1}^{n} k = n(n+1)/2
198K
∂α/∂n = 1α
\binom{n}{k} = \frac{n!}{k!(n-k)!}
63K
det| 7 9 ; 3 8 | = 29
det| 7 2 ; 7 8 | = 42
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
359K
det| 7 2 ; 1 8 | = 54
det| 7 4 ; 4 8 | = 40
233K
N₂ + 3H₂ ⇌ 2NH₃