Math Dump /sym/687420
id=859546 · host=fr.findroms.cloud · 2026-08-20 02:15Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
CaCO₃ → CaO + CO₂
det| 5 6 ; 2 6 | = 18
366K
det| 3 7 ; 2 4 | = -2
475K
9ω² + 5ω + 7 = 0
∑_{k=1}^{n} k = n(n+1)/2
79K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
∑_{k=1}^{n} k = n(n+1)/2
43K
∑_{k=1}^{n} k = n(n+1)/2
λ = h/p
8r² + 3r + 3 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
d/dω [ω^2] = 2ω^1