ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 01:48Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∫₀^∞ e^(-β²) dβ = √π / 2
302K
det| 7 4 ; 4 8 | = 40
312K
∇²ω = 0
H₂SO₄ + 2NaOH → Na₂SO₄ + 2H₂O
125K
\binom{n}{k} = \frac{n!}{k!(n-k)!}
det| 6 4 ; 4 7 | = 26
17K
∫₀^∞ e^(-x²) dx = √π / 2
310K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
CH₄ + 2O₂ → CO₂ + 2H₂O
311K
2H₂ + O₂ → 2H₂O
\binom{n}{k} = \frac{n!}{k!(n-k)!}
68K
∑_{k=1}^{n} k = n(n+1)/2
364K
det| 11 9 ; 0 12 | = 132
6K