Math Dump /sym/6c3138

id=1 · host=fr.findroms.cloud · 2026-10-17 23:32Z

Fe₂O₃ + 3CO → 2Fe + 3CO₂

\frac{8}{7} \sum_{i=1}^{n} i^{2}

246K

∑_{k=1}^{n} k = n(n+1)/2

118K

\binom{n}{k} = \frac{n!}{k!(n-k)!}

det| 9 4 ; 1 10 | = 86

43K

∇²r = 0

261K

ω = 2πf

d/dt [t^3] = 3t^2

424K

det| 5 3 ; 7 6 | = 9

76K

4t² + 3t + 3 = 0

41K

\lim_{β\to 0} \frac{\sin β}{β} = 1

298K

∂γ/∂θ = 2γ

447K

11t² + 9t + 7 = 0

297K

det| 2 8 ; 7 3 | = -50

112K