Reaction Log /sym/649cc0
id=1 · host=co.gridbatch.net · 2026-10-17 23:56Z
∑_{k=1}^{n} k = n(n+1)/2
\oint_C \vec{F}\cdot d\vec{r} = 0
154K
\frac{6}{7} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
11θ² + 3θ + 2 = 0
\frac{7}{1} \sum_{i=1}^{n} i^{2}
173K
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
329K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
314K