Reaction Log /sym/649cc0
id=1 · host=co.gridbatch.net · 2026-10-18 03:16Z
det| 6 6 ; 0 7 | = 42
\frac{7}{1} \sum_{i=1}^{n} i^{2}
109K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
2α² + 4α + 4 = 0
det| 7 4 ; 4 8 | = 40
250K
\frac{4}{9} \sum_{i=1}^{n} i^{2}
261K
∑_{k=1}^{n} k = n(n+1)/2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
99K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
194K