Reaction Log /sym/649cc0
id=1 · host=co.gridbatch.net · 2026-10-18 19:48Z
∇²y = 0
det| 4 8 ; 3 5 | = -4
109K
\frac{1}{9} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
163K
CaCO₃ → CaO + CO₂
det| 11 9 ; 0 12 | = 132
250K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
261K
det| 5 7 ; 5 6 | = -5
e^{i\pi} + 1 = 0
det| 9 4 ; 1 10 | = 86
99K
∑_{k=1}^{n} k = n(n+1)/2
194K
\binom{n}{k} = \frac{n!}{k!(n-k)!}