ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 21:26Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
Fe₂O₃ + 3CO → 2Fe + 3CO₂
312K
∫₀^∞ e^(-r²) dr = √π / 2
det| 7 4 ; 4 8 | = 40
91K
12γ² + 2γ + 2 = 0
\binom{n}{k} = \frac{n!}{k!(n-k)!}
17K
E = mc²
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
311K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
264K
λ = h/p
\frac{3}{8} \sum_{i=1}^{n} i^{2}