解不等式x’2－（a＋1）x＋a＞0

您可能感兴趣的试题

• 1It can be inferred from the passage that______.A．the author"s silence made Ms. A quite dis

  It can be inferred from the passage that______.

  A．the author"s silence made Ms. A quite dissatisfied

  B．the author happened to be an acquaintance of Ms. A

  C．the author learnt an important lesson of the patient"s needs

  D．the author failed to finish all the planned interviews

  请帮忙给出正确答案和分析，谢谢！

  点击查看答案进入在线练题题不想做，我帮你做
• 2膳食营养素参考摄入量是A.EARB.RNIC.DRID.AIE.UL

  膳食营养素参考摄入量是

  A.EAR

  B.RNI

  C.DRI

  D.AI

  E.UL

  请帮忙给出正确答案和分析，谢谢！

  点击查看答案进入在线练题题不想做，我帮你做
• 3（x^2+x-2）/（x-2）
  （x^2+x-2）/（x-2）
  
  点击查看答案进入在线练题题不想做，我帮你做
• 4Which of the following is CORRECT about Ms. A？A．She accepted the author"s request of inter

  Which of the following is CORRECT about Ms. A？

  A．She accepted the author"s request of interview.

  B．She lived alone without any relatives or friends.

  C．She was the most serious patient in the hospital.

  D．She lived with three other patients in one room.

  请帮忙给出正确答案和分析，谢谢！

  点击查看答案进入在线练题题不想做，我帮你做
• 5高一数学必修5不等式难题1.已知4/3＞X＞0,求X（4-3X）的最大值.点（X,Y）在直线X+2Y
  高一数学必修5不等式难题1.已知4/3＞X＞0,求X（4-3X）的最大值.点（X,Y）在直线X+2Y=3上移动,求2的X次方+4的Y次方的最小值.
  
  点击查看答案进入在线练题题不想做，我帮你做
• 6高一数学必修五 基本不等式5=a+b+c
  高一数学必修五 基本不等式5=a+b+c
  
  点击查看答案进入在线练题题不想做，我帮你做
• 77个月婴儿发热、呕吐、水样便，每天7~8次，已三天，于11月15日入院。体查：体温38.5℃，轻度脱水貌，咽部充

  7个月婴儿发热、呕吐、水样便，每天7~8次，已三天，于11月15日入院。体查：体温38.5℃，轻度脱水貌，咽部充血，心、肺（-）肠鸣音稍亢进。大便镜检脂肪球++。最可能的诊断是

  A、上呼吸道感染

  B、生理性腹泻

  C、饮食性腹泻

  D、病毒性肠炎

  E、侵袭性细菌所致的肠炎

  请帮忙给出正确答案和分析，谢谢！

  点击查看答案进入在线练题题不想做，我帮你做
• 80且a≠b,比较a3+b3与a2b+ab2的大小.2.解关于x的不等式：a（ax-1）+2＞4x.3
  0且a≠b,比较a3+b3与a2b+ab2的大小.2.解关于x的不等式：a（ax-1）+2＞4x.3.已知-1≤a+b≤1,1≤a-2b≤3,求3+3b的取值范围.
  
  点击查看答案进入在线练题题不想做，我帮你做
• 9What is the most frightening aspect of the chemicals in the world？A．Over 143,000 chemicals

  What is the most frightening aspect of the chemicals in the world？

  A．Over 143,000 chemicals have been produced.

  B．Chemicals are overused in many areas of our life.

  C．The chemicals" effects are not clearly known.

  D．Human beings become dependent on chemicals.

  请帮忙给出正确答案和分析，谢谢！

  点击查看答案进入在线练题题不想做，我帮你做
• 10高一不等式题已知x,y为正实数,2x+y=2,c=xy,求c的最大值
  高一不等式题已知x,y为正实数,2x+y=2,c=xy,求c的最大值
  
  点击查看答案进入在线练题题不想做，我帮你做