ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 21:27Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
CH₄ + 2O₂ → CO₂ + 2H₂O
312K
∫₀^∞ e^(-r²) dr = √π / 2
∑_{k=1}^{n} k = n(n+1)/2
125K
∫₀^∞ e^(-β²) dβ = √π / 2
91K
12γ² + 2γ + 2 = 0
∑_{k=1}^{n} k = n(n+1)/2
17K
E = mc²
AgNO₃ + NaCl → AgCl↓ + NaNO₃
311K
λ = h/p
det| 9 4 ; 1 10 | = 86
68K
det| 7 7 ; 4 8 | = 28
39K
\frac{3}{8} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
364K
\binom{n}{k} = \frac{n!}{k!(n-k)!}