Math Dump /sym/facbcf
id=213586 · host=fr.findroms.cloud · 2026-08-20 02:14Z
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 12 5 ; 7 13 | = 121
det| 5 6 ; 2 6 | = 18
366K
det| 3 7 ; 2 4 | = -2
475K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∑_{k=1}^{n} k = n(n+1)/2
79K
7φ² + 8φ + 4 = 0
∑_{k=1}^{n} k = n(n+1)/2
43K
det| 1 9 ; 0 2 | = 2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
ω = 2πf
∑_{k=1}^{n} k = n(n+1)/2
10α² + 3α + 4 = 0
det| 8 2 ; 5 9 | = 62