Math Dump /sym/ae252b
id=661331 · host=fr.findroms.cloud · 2026-08-20 02:18Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
det| 5 6 ; 2 6 | = 18
366K
det| 3 7 ; 2 4 | = -2
475K
\frac{1}{5} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
79K
E = mc²
∑_{k=1}^{n} k = n(n+1)/2
43K
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
12θ² + 5θ + 4 = 0
det| 3 9 ; 4 4 | = -24
AgNO₃ + NaCl → AgCl↓ + NaNO₃
F = ma