• 2022-06-15 问题

    已知f (1)=1,f (3)=5,f (5)=-3,用辛普生求积公式求≈/ananas/latex/p/242326

    已知f (1)=1,f (3)=5,f (5)=-3,用辛普生求积公式求≈/ananas/latex/p/242326

  • 2021-04-14 问题

    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

    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

  • 2022-06-19 问题

    已知甲股票最近支付的每股股利为2元,预计每股股利在未来两年内每年固定增长5%,从第三年开始每年固定增长2%,投资人要求的必要报酬率为12%。计算该股票目前价值的表达式中正确的有() A: 2.1(P/F,12%,1)+2.205(P/F,12%,2)+22.05(1+2%)(P/F,12%,2) B: 2.1/(12%-5%)+[2.205/(12%-2%)](1+2%)(P/F,12%,2) C: 2.1(P/F,12%,1)+22.05(1+2%)(P/F,12%,3) D: 2.1(P/F,12%,1)+22.05(P/F,12%,1)

    已知甲股票最近支付的每股股利为2元,预计每股股利在未来两年内每年固定增长5%,从第三年开始每年固定增长2%,投资人要求的必要报酬率为12%。计算该股票目前价值的表达式中正确的有() A: 2.1(P/F,12%,1)+2.205(P/F,12%,2)+22.05(1+2%)(P/F,12%,2) B: 2.1/(12%-5%)+[2.205/(12%-2%)](1+2%)(P/F,12%,2) C: 2.1(P/F,12%,1)+22.05(1+2%)(P/F,12%,3) D: 2.1(P/F,12%,1)+22.05(P/F,12%,1)

  • 2021-04-14 问题

    /ananas/latex/p/599558: -4/3|0|1|4/3

    /ananas/latex/p/599558: -4/3|0|1|4/3

  • 2022-07-22 问题

    求下列函数的定义域: (1) 10分 (2) 10分 (3) 10分/ananas/latex/p/1196018/ananas/latex/p/1196038/ananas/latex/p/1196041

    求下列函数的定义域: (1) 10分 (2) 10分 (3) 10分/ananas/latex/p/1196018/ananas/latex/p/1196038/ananas/latex/p/1196041

  • 2022-07-22 问题

    设集合,下列说法中确切的数量有个 (1); (2); (3); (4);/ananas/latex/p/1802644/ananas/latex/p/954674/ananas/latex/p/954669/ananas/latex/p/954660/ananas/latex/p/954656

    设集合,下列说法中确切的数量有个 (1); (2); (3); (4);/ananas/latex/p/1802644/ananas/latex/p/954674/ananas/latex/p/954669/ananas/latex/p/954660/ananas/latex/p/954656

  • 2021-04-14 问题

    若 ,则P(1<X<3)= P(2<X<4)/ananas/latex/p/436381

    若 ,则P(1<X<3)= P(2<X<4)/ananas/latex/p/436381

  • 2022-06-11 问题

    已知随机事件 ,P(A)=1/2,P(B)=1/3,P(AB)=1/4,则P(A+B)=( ) A: 5/6 B: 3/4 C: 7/12 D: 1/12

    已知随机事件 ,P(A)=1/2,P(B)=1/3,P(AB)=1/4,则P(A+B)=( ) A: 5/6 B: 3/4 C: 7/12 D: 1/12

  • 2022-06-18 问题

    下列表达式不正确的是()。 A: (P/A,10%,3)=(P/F,10%,1)+(P/F,10%,2)+(P/F,10%,3) B: 利率为10%,期数为3的预付年金现值系数=1+(P/F,10%,1)+(P/F,10%,2) C: (P/A,10%,3)=[1-(P/F,10%,3)]/10% D: (P/A,10%,3)=[(P/F,10%,3)-1]/10%

    下列表达式不正确的是()。 A: (P/A,10%,3)=(P/F,10%,1)+(P/F,10%,2)+(P/F,10%,3) B: 利率为10%,期数为3的预付年金现值系数=1+(P/F,10%,1)+(P/F,10%,2) C: (P/A,10%,3)=[1-(P/F,10%,3)]/10% D: (P/A,10%,3)=[(P/F,10%,3)-1]/10%

  • 2021-04-14 问题

    证明下列不等式: 1、当x>0时, 2、当x>0时, 3、当x>0时,/ananas/latex/p/586290/ananas/latex/p/386233/ananas/latex/p/586294

    证明下列不等式: 1、当x>0时, 2、当x>0时, 3、当x>0时,/ananas/latex/p/586290/ananas/latex/p/386233/ananas/latex/p/586294

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