举一反三
- 判断下列语句是真还是假。[tex=2.0x1.143]Jm6JopCeEkmyO1nhckNzxqFYZ3WTe2Fx17Mzz5kRxaA=[/tex]
- 判断下列语句是真还是假。[tex=3.0x1.357]GE4xYH2ra+PRN35rabq1C9D9mllAtff8OdDszUo3Yoo=[/tex]
- 判断下列语句是真还是假。[tex=3.714x1.357]LfTI9tseguYgL5gO2HojokmNo7JykEt79jK675rCH3M=[/tex]
- 判断下列语句是真还是假。[tex=3.071x1.357]GE4xYH2ra+PRN35rabq1C0Lwg/thXXSf2+QnB1/gyWE=[/tex]
- 判断下列语句是真还是假。[tex=4.929x1.357]0kBCHAYXqbnkt14VHqrn5iIdNSnWeMtTbyUk6n554Wyk1Emy/iz6dYQ/MTQiSjx3[/tex]
内容
- 0
判断下列语句是真还是假．[br][/br] [br][/br] {0}⊂Æ
- 1
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]
- 2
求下列函数的极值，并判断是极大值还是极小值[tex=10.857x1.5]UqB3ONud6ejrqQKW2SG3WPJy7y2rgiwlpWHcog11UMxQm9pFcjsCLucfxuy0ml/X[/tex]
- 3
判断下列命题是真是假.[br][/br]完全图 [tex=4.5x1.357]MI7eEjTBiDpZs0wnhp3ohiaUPQN5Lh0mwkX65/2PLqw=[/tex] 是欧拉图.
- 4
计算下列值.[tex=4.5x1.357]X0mVzqz+kKrErBW5iFkN48eqVF+MrE0hHfqcAVTbNto=[/tex].