ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 21:37Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
312K
∫₀^∞ e^(-r²) dr = √π / 2
∑_{k=1}^{n} k = n(n+1)/2
125K
det| 2 3 ; 5 3 | = -9
91K
12γ² + 2γ + 2 = 0
det| 7 4 ; 4 8 | = 40
17K
det| 3 1 ; 7 4 | = 5
310K
E = mc²
λ = h/p
AgNO₃ + NaCl → AgCl↓ + NaNO₃
68K
\frac{3}{8} \sum_{i=1}^{n} i^{2}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∇ × E = −∂B/∂t
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O