Reaction Log /sym/649cc0
id=1 · host=co.gridbatch.net · 2026-10-18 19:47Z
∇²y = 0
\frac{1}{9} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
122K
∑_{k=1}^{n} k = n(n+1)/2
163K
CaCO₃ → CaO + CO₂
\binom{n}{k} = \frac{n!}{k!(n-k)!}
250K
\lim_{α\to 0} \frac{\sin α}{α} = 1
261K
det| 5 7 ; 5 6 | = -5
\binom{n}{k} = \frac{n!}{k!(n-k)!}
349K
det| 9 4 ; 1 10 | = 86
99K
det| 2 7 ; 7 3 | = -43
194K