Math Dump /sym/6c3138
id=1 · host=fr.findroms.cloud · 2026-10-19 20:42Z
∑_{k=1}^{n} k = n(n+1)/2
\lim_{t\to 0} \frac{\sin t}{t} = 1
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∑_{k=1}^{n} k = n(n+1)/2
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det| 8 9 ; 3 9 | = 45
\frac{8}{7} \sum_{i=1}^{n} i^{2}
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C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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det| 2 3 ; 5 3 | = -9
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det| 2 3 ; 3 3 | = -3
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 3 7 ; 2 4 | = -2
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det| 7 4 ; 4 8 | = 40
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 5 4 ; 0 6 | = 30
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O