Reaction Log /sym/649cc0
id=1 · host=co.gridbatch.net · 2026-10-18 19:25Z
∇²y = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
109K
\frac{1}{9} \sum_{i=1}^{n} i^{2}
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
122K
det| 4 8 ; 3 5 | = -4
163K
CaCO₃ → CaO + CO₂
∑_{k=1}^{n} k = n(n+1)/2
250K
\frac{2}{2} \sum_{i=1}^{n} i^{2}
261K
det| 5 7 ; 5 6 | = -5
\binom{n}{k} = \frac{n!}{k!(n-k)!}
352K
∑_{k=1}^{n} k = n(n+1)/2
99K
det| 7 4 ; 4 8 | = 40
194K