设[tex=4.857x1.357]sLWuQIUYOrxrBi9Cxl5vGQ==[/tex],[tex=4.857x1.357]d8UP/zNawoEqZGQEFvJ7vw==[/tex],则[tex=3.071x1.143]7wW0j4ctyf1XigC4rVnyyw==[/tex]______,[tex=3.071x1.143]R/MpKzvKg3fLCwxza35MLQ==[/tex]______.
举一反三
- 判断下列命题是否为真:(1)[tex=3.643x1.357]/5abqJjwKZ1qr+6hsVFF5EBvfq3ggOFNlHMClz0h9nk=[/tex](2)[tex=2.929x1.357]rGJpyjIjJpbcoBTWxP0Jiw==[/tex](3)[tex=4.5x1.357]2wycHMoqU83MyEp17iBils58bR7YLuCTI2G9NVAdlfY=[/tex](4)[tex=5.214x1.357]CTz2gu+IIm1GgNmYMGaduCRtA41wnW4WqwRWwEhq6aA=[/tex](5)[tex=4.857x1.357]1DcE2BMMOaZhTuxR/mjgsboXxfg5ET59Dp4I/jjEDuw=[/tex](6)[tex=4.643x1.357]BSryrsQYOvTP2hTWRu6t4nAuJwlSs4L9jaq70EpB+Us=[/tex](7)若[tex=6.0x1.357]y0IZLUnBO88nR8WBZYvd7QXv5S1OMINV5cQNzPyiyAc=[/tex],则[tex=3.429x1.357]1brfPwTkVVIX4GfoMIUskA==[/tex](8)若[tex=7.643x1.357]MhLfJXZnhbXiB0x3oNtFzThV4Y1mJxe1VYr7PkJE/T6hmTD3WWp+UxbNwvUQ6DHk[/tex],则[tex=4.143x1.357]LZUA94ISo1po5HWsOVeBCjo0rMvj7uw3bGw5HiZenrI=[/tex]
- 低血钾症是指血清钾低于 未知类型:{'options': ['[tex=4.857x1.357]Yu1p5qDwqAbgrH04peR7UO252QEiq6Y5WZw5TOwAjEvEvHJ6xe2h+vfkptmY3hto[/tex]', '[tex=4.857x1.357]OUxmCLWX4+fXPc+UUVjrrHpr2XEmG7poTJswdnJy0R5Ps6jOMQf9KLKu8ZPuwdM4[/tex]', '[tex=4.857x1.357]WksJr4dzKccYo1rEadmzyqBUR+px68QXX8eQzT19zOg5g3U4+8yyfm1NER1JDSi5[/tex]', '[tex=4.857x1.357]eDDjGHaY42NEDMYFjx6Lm3s8hPF8Wye8LB/GqBBTzgfGWszmVUSJLC4/tSjIMlZM[/tex]', '[tex=4.857x1.357]IJ0nsEU1T34PL3OvZpJg+byykoCIffrwUHvsGz0oRVxWDj2IK9MhL8Rq0fJ3Fw0/[/tex]'], 'type': 102}
- 判断下列化合物哪对互为差向异构体? 并解释之。(1) [tex=1.643x1.143]HeiHdpJ382Y89Ai0ph3L5A==[/tex]葡萄糖与[tex=1.5x1.143]rsZzg/rhOdw0asyfxU7zWg==[/tex]葡萄糖 (2)[tex=3.071x1.143]+Hzydu5R2LERjVQmH+BFIg==[/tex]葡萄糖与[tex=2.929x1.214]BJVAiTIQyEJTVYL8wO9bgtR7iIRZq4ldJ8wp4CUbHUE=[/tex]葡萄糖 (3) [tex=3.071x1.143]+Hzydu5R2LERjVQmH+BFIg==[/tex]甲基葡萄糖与 [tex=1.5x1.143]rsZzg/rhOdw0asyfxU7zWg==[/tex]葡萄糖 (4) [tex=1.643x1.143]HeiHdpJ382Y89Ai0ph3L5A==[/tex]葡萄糖与[tex=1.643x1.143]HeiHdpJ382Y89Ai0ph3L5A==[/tex]果糖
- 设集合[tex=4.857x1.357]0UWOwKJitzW/Emh+o7F7SA==[/tex],[tex=0.786x1.0]Gl8myqGBf3V5xKlLwXodGw==[/tex]上的二元关系[tex=6.857x1.357]ctynjuznTmrVjCS46YSXkfla5E3Ed3Th4lCszZj54js=[/tex]不具备下列哪种性质?(1)传递性;(2)反对称性;(3)对称性;(4)自反性;
- 设随机变量X服从[tex=1.929x1.286]HmmJCe8jMYQ7Qi5trX1Z2w==[/tex]上的均匀分布,[tex=5.071x1.286]HnGQba3HT3pL1+jP5xuvNg==[/tex],则[tex=3.429x1.286]L9cosNMXc0MsOViIFfI1Kw==[/tex][input=type:blank,size:4][/input]。