Reaction Log /sym/649cc0
id=1 · host=co.gridbatch.net · 2026-10-17 23:15Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
154K
\frac{6}{7} \sum_{i=1}^{n} i^{2}
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
230K
∑_{k=1}^{n} k = n(n+1)/2
\frac{11}{8} \sum_{i=1}^{n} i^{2}
152K
11θ² + 3θ + 2 = 0
det| 7 4 ; 4 8 | = 40
255K
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
173K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
329K
det| 5 6 ; 2 6 | = 18
314K
det| 4 7 ; 2 5 | = 6
180K