Reaction Log /sym/649cc0
id=1 · host=co.gridbatch.net · 2026-10-17 23:13Z
∑_{k=1}^{n} k = n(n+1)/2
det| 7 4 ; 4 8 | = 40
154K
\frac{6}{7} \sum_{i=1}^{n} i^{2}
\frac{4}{6} \sum_{i=1}^{n} i^{2}
60K
∑_{k=1}^{n} k = n(n+1)/2
\frac{2}{2} \sum_{i=1}^{n} i^{2}
152K
11θ² + 3θ + 2 = 0
det| 4 7 ; 2 5 | = 6
173K
det| 7 7 ; 6 8 | = 14
det| 2 7 ; 7 3 | = -43
329K
\lim_{β\to 0} \frac{\sin β}{β} = 1
368K
7ψ² + 4ψ + 3 = 0
2x² + 9x + 3 = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃