设 [tex=11.571x1.429]gOCw35eXCPlhsXNkH3vGJ2nCf0gnRvbOf4ZK7uHpUPKHGC1sUa9zy/9myYOeb46o0bLimJxOfhub42EjSg19y2ytSXXnp+r42HGNSvIOQ2s=[/tex] 证明:1) 若 [tex=2.786x1.0]vr7yoFJHO2kH+UdCecodvQ==[/tex],则 [tex=2.071x1.0]rBm68QKf5ESxxsG7JHuShQ==[/tex];2) 若 [tex=3.0x1.0]OksMgKksETykdhFWbca1vw==[/tex],则 [tex=2.357x1.214]IjUzi6yZYTtdImtg3A832Q==[/tex].
举一反三
- 已知[tex=10.786x1.357]oPxEQGciaJq0uWonaJqXssvTKx2aAMqoshLd51U2O4M=[/tex],若[tex=2.0x1.214]IENxQEh5u4RdnCaqHm72Xg==[/tex]相互独立,则[tex=3.0x1.357]cl60lRnHnAb2Fyha9FYNvw==[/tex] A: 1/2 B: 1/3 C: 2/3 D: 3/4
- [tex=2.214x1.0]Z8GWW72u+MH/mjafnp+83A==[/tex]丙酮酸经过丙酮酸脱氢酶系和柠檬酸循环产生[tex=4.0x1.214]EPDWVFNjIR8daNoozaWRDg==[/tex],生成的[tex=3.214x1.0]1AqDCKqjaAug6buHS5Z0tQ==[/tex]、[tex=3.429x1.214]HYAn2+I9AZQLWcA3ajoPaw==[/tex]和[tex=2.143x1.0]qQANfGnLx7pE5mcaEibuNg==[/tex](或[tex=2.071x1.0]YGdeb/NAM7yg+XY6SY16Fg==[/tex])的摩尔比是( )。 未知类型:{'options': ['3:2:0', '4:2:1', '4:1:1', '3:1:1', '2: 2:2'], 'type': 102}
- 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]
- 设[tex=5.214x1.214]l2vYijvwphpA0Bdo8olvNhKvOVd4RCELKut0jj6S5qs=[/tex]是连续映射,Y是Hausdorff空间,证明:(1)集合[tex=9.357x1.357]QCqopxinhs+TvVYgLw48vVpO4x/Rie4gzAlmw62rJGM=[/tex]是X的闭子集;(2)如果A是X的稠密子集且[tex=3.714x1.357]fo4X83uQk0aLKgSpBjpSMw8oj58YdJ5bCiu5d4gfWQqZvgjwV7CYEcyqXJHmRmoq[/tex],则f=g。
- 设[tex=3.857x1.214]uccIuh12mnx73S5Ln9Nunw==[/tex]是一个格,试证明对于任意的元素[tex=4.214x1.214]Y06Z1LJtCprXckc80W0iZA==[/tex], 有下列命题成立:(1) 若 [tex=4.5x1.0]WcE2DLqIV0cG66Vf85rLlKJbDQNOs9fDIkf6U7t4ilE=[/tex], 则[tex=1.786x1.0]e6yz2KDSejyMapjVGIIQDA==[/tex](2) 若[tex=7.143x1.0]8RU1lANXRSMHjwx54SAdQAXSeXnRR6q5vEh8fR/Xnayn8vpdo6nmOCmalJO3ZqOH[/tex], 则[tex=3.0x1.0]qqnT8KQ4H6PBzTvMNo6gSg==[/tex](3)[tex=15.714x1.357]7T0Bbj2YX1smDBDQBkyV0PkjcnhM1np3rkLbY+fP5ciJJrKr+23uGRRGEVpgvz9GZpNF0IL6BH13upU9VC8DRF2K4OSZUgZuaaV8kpzIBUo=[/tex]