ChemCalc Dump /sym/93428e
id=1 · host=br.gridbatch.net · 2026-10-19 21:20Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
\binom{n}{k} = \frac{n!}{k!(n-k)!}
312K
∫₀^∞ e^(-r²) dr = √π / 2
\binom{n}{k} = \frac{n!}{k!(n-k)!}
125K
Fe₂O₃ + 3CO → 2Fe + 3CO₂
91K
12γ² + 2γ + 2 = 0
det| 3 6 ; 0 4 | = 12
310K
E = mc²
AgNO₃ + NaCl → AgCl↓ + NaNO₃
311K
det| 7 4 ; 4 8 | = 40
264K
λ = h/p
\binom{n}{k} = \frac{n!}{k!(n-k)!}
68K
det| 1 2 ; 7 2 | = -12
39K
∑_{k=1}^{n} k = n(n+1)/2
364K