Formula Ledger /sym/7ab403
id=1 · host=findroms.cloud · 2026-10-20 05:09Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 9 4 ; 1 10 | = 86
218K
det| 4 2 ; 1 5 | = 18
190K
12α² + 7α + 2 = 0
∇²y = 0
det| 4 6 ; 4 5 | = -4
299K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
105K