Reaction Log /sym/649cc0
id=1 · host=co.gridbatch.net · 2026-10-17 23:56Z
∑_{k=1}^{n} k = n(n+1)/2
∑_{k=1}^{n} k = n(n+1)/2
465K
\frac{6}{7} \sum_{i=1}^{n} i^{2}
\frac{4}{6} \sum_{i=1}^{n} i^{2}
60K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
230K
∑_{k=1}^{n} k = n(n+1)/2
det| 9 8 ; 3 10 | = 66
152K
11θ² + 3θ + 2 = 0
\lim_{ω\to 0} \frac{\sin ω}{ω} = 1
255K
\oint_C \vec{F}\cdot d\vec{r} = 0
173K
det| 7 7 ; 6 8 | = 14
\binom{n}{k} = \frac{n!}{k!(n-k)!}
368K
7ψ² + 4ψ + 3 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
180K