Reaction Log /sym/649cc0
id=1 · host=co.gridbatch.net · 2026-10-17 23:13Z
∑_{k=1}^{n} k = n(n+1)/2
\frac{6}{7} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
60K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
230K
∑_{k=1}^{n} k = n(n+1)/2
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
119K
∫₀^∞ e^(-θ²) dθ = √π / 2
152K
11θ² + 3θ + 2 = 0
det| 1 8 ; 4 2 | = -30
255K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
173K
det| 7 7 ; 6 8 | = 14
7ψ² + 4ψ + 3 = 0
AgNO₃ + NaCl → AgCl↓ + NaNO₃