Math Dump /sym/6c3138
id=1 · host=fr.findroms.cloud · 2026-10-18 00:40Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
460K
d/dx [x^7] = 7x^6
∑_{k=1}^{n} k = n(n+1)/2
186K
det| 2 8 ; 7 3 | = -50
411K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\lim_{r\to 0} \frac{\sin r}{r} = 1
22K
CH₄ + 2O₂ → CO₂ + 2H₂O
N₂ + 3H₂ ⇌ 2NH₃
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
181K
CaCO₃ → CaO + CO₂
∂β/∂r = 5β
det| 9 8 ; 0 10 | = 90
det| 7 1 ; 3 8 | = 53