Math Dump /sym/6c3138
id=1 · host=fr.findroms.cloud · 2026-10-18 00:29Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
438K
d/dx [x^7] = 7x^6
∫₀^∞ e^(-θ²) dθ = √π / 2
186K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
448K
∫₀^∞ e^(-t²) dt = √π / 2
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H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
459K
det| 1 4 ; 3 2 | = -10
406K
det| 9 4 ; 1 10 | = 86
455K
∑_{k=1}^{n} k = n(n+1)/2
191K