Reaction Log /sym/649cc0
id=1 · host=co.gridbatch.net · 2026-10-18 19:22Z
∇²y = 0
∑_{k=1}^{n} k = n(n+1)/2
109K
\frac{1}{9} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
163K
CaCO₃ → CaO + CO₂
det| 5 7 ; 5 6 | = -5
det| 7 4 ; 4 8 | = 40
352K
∑_{k=1}^{n} k = n(n+1)/2
99K