ref 2e537d70
Math Dump /sym/b6b0a0
id=716469 · host=fr.findroms.cloud · 2026-09-12 10:17Z
\binom{n}{k} = \frac{n!}{k!(n-k)!}
∑_{k=1}^{n} k = n(n+1)/2
det| 5 6 ; 2 6 | = 18
381K
det| 3 7 ; 2 4 | = -2
258K
\frac{1}{5} \sum_{i=1}^{n} i^{2}
∑_{k=1}^{n} k = n(n+1)/2
349K
AgNO₃ + NaCl → AgCl↓ + NaNO₃
∑_{k=1}^{n} k = n(n+1)/2
469K
iħ ∂ψ/∂t = Ĥψ
CH₄ + 2O₂ → CO₂ + 2H₂O
det| 3 3 ; 1 4 | = 9
\frac{7}{4} \sum_{i=1}^{n} i^{2}
CaCO₃ → CaO + CO₂
C₆H₁₂O₆ → 2C₂H₅OH + 2CO₂