Math Dump /sym/6c3138
id=1 · host=fr.findroms.cloud · 2026-10-18 00:39Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 6 ; 1 8 | = 50
438K
d/dx [x^7] = 7x^6
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 4 ; 4 8 | = 40
448K
∑_{k=1}^{n} k = n(n+1)/2
22K
∑_{k=1}^{n} k = n(n+1)/2
459K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
406K
det| 5 9 ; 7 6 | = -33
359K