Math Dump /sym/6c3138
id=1 · host=fr.findroms.cloud · 2026-10-19 20:40Z
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
451K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
264K
det| 8 9 ; 3 9 | = 45
det| 12 1 ; 5 13 | = 151
252K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
∑_{k=1}^{n} k = n(n+1)/2
48K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
411K
det| 2 3 ; 3 3 | = -3
det| 7 4 ; 4 8 | = 40
377K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
420K
\binom{n}{k} = \frac{n!}{k!(n-k)!}