Math Dump /sym/6c3138

id=1 · host=fr.findroms.cloud · 2026-10-17 23:38Z

Fe₂O₃ + 3CO → 2Fe + 3CO₂

∑_{k=1}^{n} k = n(n+1)/2

246K

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

118K

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

7r² + 8r + 5 = 0

43K

det| 9 5 ; 1 10 | = 85

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ω = 2πf

10t² + 9t + 5 = 0

424K

det| 9 4 ; 1 10 | = 86

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e^{i\pi} + 1 = 0

det| 5 3 ; 7 6 | = 9

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

298K

10t² + 8t + 0 = 0

∑_{k=1}^{n} k = n(n+1)/2

447K

∇²z = 0

297K

4φ² + 2φ + 1 = 0