Math Dump /sym/6c3138
id=1 · host=fr.findroms.cloud · 2026-10-18 00:04Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
438K
d/dx [x^7] = 7x^6
\binom{n}{k} = \frac{n!}{k!(n-k)!}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
448K
∑_{k=1}^{n} k = n(n+1)/2
22K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
459K
\lim_{r\to 0} \frac{\sin r}{r} = 1
181K
∑_{k=1}^{n} k = n(n+1)/2
80K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
359K
∑_{k=1}^{n} k = n(n+1)/2
419K