Math Dump /sym/6c3138
id=1 · host=fr.findroms.cloud · 2026-10-18 00:05Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
460K
∑_{k=1}^{n} k = n(n+1)/2
438K
d/dx [x^7] = 7x^6
\oint_C \vec{F}\cdot d\vec{r} = 0
186K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 7 9 ; 1 8 | = 47
448K
∑_{k=1}^{n} k = n(n+1)/2
22K
CH₄ + 2O₂ → CO₂ + 2H₂O
∑_{k=1}^{n} k = n(n+1)/2
459K
det| 11 6 ; 2 12 | = 120
406K
N₂ + 3H₂ ⇌ 2NH₃
AgNO₃ + NaCl → AgCl↓ + NaNO₃
181K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
80K
CaCO₃ → CaO + CO₂
∂β/∂r = 5β
det| 9 8 ; 0 10 | = 90
det| 7 1 ; 3 8 | = 53