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JUEC ³õÖÐ (Surd)

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The document contains mathematical equations and steps to solve them. It begins with equations involving variables x and y, then progresses to more complex expressions involving radicals, fractions, and algebraic expressions. It concludes by showing the steps to solve a quadratic equation for the variable x.

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27. 3 ? + 4 ? 8 ?? = 3 ? + 4 ? 8 ?? ¡Á ?? ?? = ?? 3 ? + 4 ? 8?? = 3? ? + 4? ? 8??
29. 2 11 + 4 + 2 11 ? 4 = 2 11 ? 4 + 11 + 4 11 + 4 11 ? 4 = 2 2 11 11 ? 16 = 2 22 ?5 28. 3 8 + 2 + 3 8 ? 2 = 3 8 ? 2 + 8 + 2 8 + 2 8 ? 2 = 3 2 8 8 ? 4 = 2 3 ¡Á 4 ¡Á 2 4 = 6
33. 4 1 2 = 16 2 = 8 = 4 ¡Á 2 = 2 2 = 2 ¡Á 1.414 = 2.828 34. 32 ? 8 + 3 2 = 16 ¡Á 2 ? 4 ¡Á 2 + 3 2 2 = 7 2 2 = 3 ¡Á 1.414 + 0.707 = 4.949 = 2 4 ? 2 + 3 2 = 4.242 + 0.707
39. 2?2 + 10? + 17 ? ?2 + 2? + 1 = 0 2?2 + 10? + 17 = ?2 + 2? + 1 2?2 + 10? + 17 = ?2 + 2? + 1 2?2 + 10? + 17 ? ?2 + 2? + 1 = 0 ?2 + 8? + 16 = 0 ? + 4 2 = 0 ? = ?4
41. ?2 ? 5 + 1 = x ?2 ? 5 = x ? 1 ?2 ? 5 = ? ? 1 2 2? = 6 ? = 3 ?2 ? 5 = ?2 + 1 ? 2?

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JUEC ³õÖÐ (Surd)

  • 1. 27. 3 ? + 4 ? 8 ?? = 3 ? + 4 ? 8 ?? ¡Á ?? ?? = ?? 3 ? + 4 ? 8?? = 3? ? + 4? ? 8??
  • 2. 29. 2 11 + 4 + 2 11 ? 4 = 2 11 ? 4 + 11 + 4 11 + 4 11 ? 4 = 2 2 11 11 ? 16 = 2 22 ?5 28. 3 8 + 2 + 3 8 ? 2 = 3 8 ? 2 + 8 + 2 8 + 2 8 ? 2 = 3 2 8 8 ? 4 = 2 3 ¡Á 4 ¡Á 2 4 = 6
  • 3. 33. 4 1 2 = 16 2 = 8 = 4 ¡Á 2 = 2 2 = 2 ¡Á 1.414 = 2.828 34. 32 ? 8 + 3 2 = 16 ¡Á 2 ? 4 ¡Á 2 + 3 2 2 = 7 2 2 = 3 ¡Á 1.414 + 0.707 = 4.949 = 2 4 ? 2 + 3 2 = 4.242 + 0.707
  • 4. 39. 2?2 + 10? + 17 ? ?2 + 2? + 1 = 0 2?2 + 10? + 17 = ?2 + 2? + 1 2?2 + 10? + 17 = ?2 + 2? + 1 2?2 + 10? + 17 ? ?2 + 2? + 1 = 0 ?2 + 8? + 16 = 0 ? + 4 2 = 0 ? = ?4
  • 5. 41. ?2 ? 5 + 1 = x ?2 ? 5 = x ? 1 ?2 ? 5 = ? ? 1 2 2? = 6 ? = 3 ?2 ? 5 = ?2 + 1 ? 2?