Formula Ledger /sym/7ab403
id=1 · host=findroms.cloud · 2026-10-20 05:09Z
AgNO₃ + NaCl → AgCl↓ + NaNO₃
det| 7 4 ; 4 8 | = 40
190K
12α² + 7α + 2 = 0
det| 12 1 ; 4 13 | = 152
157K
∇²y = 0
det| 11 2 ; 5 12 | = 122
170K
∑_{k=1}^{n} k = n(n+1)/2
299K
\binom{n}{k} = \frac{n!}{k!(n-k)!}