若,,则与的大小关系是https://p.ananas.chaoxing.com/star3/origin/6eb3cfa33e607a23bc3fd000237a470f.pnghttps://p.ananas.chaoxing.com/star3/origin/186ba208558c5dabaa941cdf27c35e9a.pnghttps://p.ananas.chaoxing.com/star3/origin/7c176f39779cc2d076bc789bb099f246.pnghttps://p.ananas.chaoxing.com/star3/origin/02b1d7bc53554a934ffc8eecd3d07da0.png
举一反三
- 若矢量,,则和分别为https://p.ananas.chaoxing.com/star3/origin/29a7ebef5a1f13fa196720c17ea11824.pnghttps://p.ananas.chaoxing.com/star3/origin/72b68da8b99b640dfa73c4c8afe663c4.pnghttps://p.ananas.chaoxing.com/star3/origin/2b1a659b8f2529dbcd6ff5466e61191b.pnghttps://p.ananas.chaoxing.com/star3/origin/dfb7c75513635b5ceeb5343166baad3e.png
- 若,则在上.https://p.ananas.chaoxing.com/star3/origin/d618624a0cde0321176ea36cb8e6f9a0.pnghttps://p.ananas.chaoxing.com/star3/origin/77dc5a1beb61c291def1850d7652dc7a.pnghttps://p.ananas.chaoxing.com/star3/origin/72529cec480b3601e8ef073fd1be684b.png
- 若,且 关于面对称,则 .https://p.ananas.chaoxing.com/star3/origin/1bd599e14aafc601a0bdb7b430c6bfd0.pnghttps://p.ananas.chaoxing.com/star3/origin/dc2d1cd8c31a0ad40154689638a51992.pnghttps://p.ananas.chaoxing.com/star3/origin/e0ee5c80a8a5664a7492b73e9581343c.pnghttps://p.ananas.chaoxing.com/star3/origin/27c06290754cdc245e35ad56f3ae0a74.png
- 设是圆,则https://p.ananas.chaoxing.com/star3/origin/d8b5edc9a2457c461a3685877f8606ab.pnghttps://p.ananas.chaoxing.com/star3/origin/5f3c1256fa1597901980dc868dfb57f7.pnghttps://p.ananas.chaoxing.com/star3/origin/1932e2a8e9452d4d6f94177a0ca40384.pnghttps://p.ananas.chaoxing.com/star3/origin/5785decddcc5b175015fc7c46d4d8405.png
- (1) 设,且当时,则函数 .https://p.ananas.chaoxing.com/star3/origin/1df4e5fa778b4917e841b8db8167c4fd.pnghttps://p.ananas.chaoxing.com/star3/origin/1df2c0c8afdc2620e06142ca249383d3.pnghttps://p.ananas.chaoxing.com/star3/origin/2dbeeae137681811236ccf243cfc0188.pnghttps://p.ananas.chaoxing.com/star3/origin/8443294c110ad3b06d5a640d6a3c7ade.png