Math Dump /sym/6c3138
id=1 · host=fr.findroms.cloud · 2026-10-18 00:04Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
d/dx [x^7] = 7x^6
∑_{k=1}^{n} k = n(n+1)/2
186K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
CH₄ + 2O₂ → CO₂ + 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
459K
det| 7 4 ; 4 8 | = 40
406K
N₂ + 3H₂ ⇌ 2NH₃
CaCO₃ → CaO + CO₂
∑_{k=1}^{n} k = n(n+1)/2
455K
det| 9 8 ; 0 10 | = 90
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
191K