• 2021-04-14
    设A={1,2,3,4,5},A有划分, 则对应的等价关系为()。/ananas/latex/p/1835474/ananas/latex/p/1668
  • {<1,1>,<1,2>,<1,3>,<2,1>,<2,2>,<2,3>,<3,1>,<3,2>,<3,3>,<4,4>,<4,5>,<5,4>,<5,5>}

    内容

    • 0

      设Ω{1,2,…,10},{2,3,4},{3,4,5},则/ananas/latex/p/1591/ananas/latex/p/37739/ananas/latex/p/37740/ananas/latex/p/502945

    • 1

      已知()=0.4,则()=( )/ananas/latex/p/152/ananas/latex/p/278/ananas/latex/p/847/ananas/latex/p/281/ananas/latex/p/152/ananas/latex/p/4781/ananas/latex/p/7419/ananas/latex/p/6547

    • 2

      设在上二阶可导,且,则在内是( )/ananas/latex/p/2154/ananas/latex/p/13269/ananas/latex/p/243898/ananas/latex/p/243899/ananas/latex/p/95388

    • 3

      设可微,且,则/ananas/latex/p/2154/ananas/latex/p/902448/ananas/latex/p/54324

    • 4

      A:平面,B:球面,C:旋转椭球面,D:椭球面,E:圆柱面,F:抛物柱面,G:椭圆柱面,H:旋转抛物面,I:圆锥面,J:椭圆锥面,K:马鞍面。则: (1)是____; (2)是______; (3)是______; (4)是______; (5)是______; (6)是______; (7)是______; (8)是______; (9)是______; (10)是______; (11)是______; (12)是______; (13)是______;/ananas/latex/p/1045101/ananas/latex/p/28097/ananas/latex/p/958152/ananas/latex/p/39419/ananas/latex/p/973515/ananas/latex/p/47030/ananas/latex/p/645788/ananas/latex/p/36944/ananas/latex/p/34552/ananas/latex/p/422334/ananas/latex/p/1045357/ananas/latex/p/36098/ananas/latex/p/596597