Odpowiedzi

2009-10-20T16:08:13+02:00
  • Użytkownik Zadane
2009-10-20T16:08:50+02:00
(2i 2/4+4,5)*(5 i 1/10-3,9)=
(2 i 1/2+4,5)*(5,1-3,9)=
(2,5+4,5)*1,2=
7*1,2=8,4

:)
1 5 1
2009-10-20T16:16:13+02:00
(2²/₄ + 4⁵/₁₀) * (5¹/₁₀ - 3⁹/₁₀) =
= (¹⁰/₄ + ⁴⁵/₁₀) * (⁵¹/₁₀ - ³⁹/₁₀) =
= (⁵⁰/₂₀ + ⁹⁰/₂₀) * (⁵¹/₁₀ - ³⁹/₁₀) =
= (¹⁴⁰/₂₀) * (¹²/₁₀) =
= (¹⁴/₁₀) * (⁶/₁) =
= ¹⁴/₅ * ³/₁ = ⁴²/₅ = 8,4