Math Dump /sym/6c3138
id=1 · host=fr.findroms.cloud · 2026-10-18 00:03Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\frac{11}{2} \sum_{i=1}^{n} i^{2}
438K
d/dx [x^7] = 7x^6
\binom{n}{k} = \frac{n!}{k!(n-k)!}
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
CH₄ + 2O₂ → CO₂ + 2H₂O
448K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
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CH₄ + 2O₂ → CO₂ + 2H₂O
det| 10 2 ; 3 11 | = 104
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det| 8 9 ; 4 9 | = 36
406K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
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\frac{10}{3} \sum_{i=1}^{n} i^{2}
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∑_{k=1}^{n} k = n(n+1)/2
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