Math Dump /sym/6c3138
id=1 · host=fr.findroms.cloud · 2026-10-19 20:21Z
∑_{k=1}^{n} k = n(n+1)/2
det| 8 9 ; 3 9 | = 45
∑_{k=1}^{n} k = n(n+1)/2
297K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
252K
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
Fe₂O₃ + 3CO → 2Fe + 3CO₂
48K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
411K
det| 2 3 ; 3 3 | = -3
det| 7 4 ; 4 8 | = 40
377K
\oint_C \vec{F}\cdot d\vec{r} = 0
299K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\binom{n}{k} = \frac{n!}{k!(n-k)!}