Odpowiedzi

2009-10-31T20:38:40+01:00
X=4¹/₃=¹³/₃
y=¹/₅

x²-2xy+y²/x+y

¹³/₃²-2*¹³/₃*¹/₅+¹/₅²:¹³/₃+¹/₅ =
= ¹⁶⁹/₉-²⁶/₃*¹/₅+¹/₂₅:⁶⁵/₁₅+³/₁₅ =
= ¹⁶⁹/₉-²⁶/₁₅+¹/₂₅:⁶⁸/₁₅ =
= ¹⁶⁹⁰/₉₀-¹⁵⁶/₉₀+¹/₂₅:⁶⁸/₁₅ =
= ¹⁵³⁴/⁹⁰+¹/₂₅:⁶⁸/₁₅ =
= ⁷⁶⁷⁰/₄₅₀+¹⁸/₄₅₀:⁶⁸/₁₅ =
= ⁷⁶⁸⁸/₄₅₀:⁶⁸/₁₅
= ⁷⁶⁸⁸/₄₅₀*¹⁵/₆₈
= 3 ¹⁹⁶/₉₆₁
2009-10-31T21:10:25+01:00
X=4¹/₃=¹³/₃
y=¹/₅

x²-2xy+y²/x+y

¹³/₃²-2*¹³/₃*¹/₅+¹/₅²:¹³/₃+¹/₅ =
= ¹⁶⁹/₉-²⁶/₃*¹/₅+¹/₂₅:⁶⁵/₁₅+³/₁₅ =
= ¹⁶⁹/₉-²⁶/₁₅+¹/₂₅:⁶⁸/₁₅ =
= ¹⁶⁹⁰/₉₀-¹⁵⁶/₉₀+¹/₂₅:⁶⁸/₁₅ =
= ¹⁵³⁴/⁹⁰+¹/₂₅:⁶⁸/₁₅ =
= ⁷⁶⁷⁰/₄₅₀+¹⁸/₄₅₀:⁶⁸/₁₅ =
= ⁷⁶⁸⁸/₄₅₀:⁶⁸/₁₅
= ⁷⁶⁸⁸/₄₅₀*¹⁵/₆₈
= 3 ¹⁹⁶/₉₆₁
2009-10-31T21:22:28+01:00
X = 4¹/₃ = ¹³/₃
y = ¹/₅

x² - 2xy + y² / x+y

¹³/₃²-2*¹³/₃*¹/₅+¹/₅²:¹³/₃+¹/₅ =

= ¹⁶⁹/₉-²⁶/₃*¹/₅+¹/₂₅:⁶⁵/₁₅+³/₁₅ =

= ¹⁶⁹/₉-²⁶/₁₅+¹/₂₅:⁶⁸/₁₅ =

= ¹⁶⁹⁰/₉₀-¹⁵⁶/₉₀+¹/₂₅:⁶⁸/₁₅ =

= ¹⁵³⁴/⁹⁰+¹/₂₅:⁶⁸/₁₅ =

= ⁷⁶⁷⁰/₄₅₀+¹⁸/₄₅₀:⁶⁸/₁₅ =

= ⁷⁶⁸⁸/₄₅₀:⁶⁸/₁₅

= ⁷⁶⁸⁸/₄₅₀*¹⁵/₆₈

= 3 ¹⁹⁶/₉₆₁