Math Dump /sym/5a282b
id=322288 · host=fr.findroms.cloud · 2026-08-20 02:12Z
∑_{k=1}^{n} k = n(n+1)/2
3y² + 8y + 7 = 0
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
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\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
43K
det| 11 6 ; 4 12 | = 108
det| 9 2 ; 1 10 | = 88
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂
∑_{k=1}^{n} k = n(n+1)/2
det| 2 2 ; 3 3 | = 0
6n² + 7n + 3 = 0