• 2022-06-01
    ​大偏心受压构件的本质判别条件是‌​‌
    A: [img=46x23]18039db75afb61e.png[/img]
    B: [img=46x23]18039db763f2db5.png[/img]
    C: [img=46x23]18039db76c19284.png[/img]
    D: [img=46x23]18039db774c34f1.png[/img]
    E: [img=77x22]18039db77d8e918.png[/img]
    F: [img=77x22]18039db785e5c07.png[/img]
  • A

    举一反三

    内容

    • 0

      小偏心受压构件的判断依据是: A: [img=62x23]1803dd9a32ba20e.png[/img] B: [img=62x23]1803dd9a3b92887.png[/img] C: [img=46x23]1803dd9a43bef1b.png[/img] D: [img=46x23]1803dd9a4c10a83.png[/img]

    • 1

      微分方程[img=188x25]18033efdb9c02bd.png[/img]的通解为( ). A: [img=300x43]18033efdc519565.png[/img] ([img=46x23]18033efdcd6bf50.png[/img]为任意常数) B: [img=300x43]18033efdd78ce30.png[/img] ([img=46x23]18033efdcd6bf50.png[/img]为任意常数) C: [img=289x43]18033efde97fe09.png[/img] ([img=46x23]18033efdcd6bf50.png[/img]为任意常数) D: [img=292x29]18033efdfcb6134.png[/img] ([img=46x23]18033efdcd6bf50.png[/img]为任意常数) E: [img=300x29]18033efe0e1bfa7.png[/img] ([img=46x23]18033efdcd6bf50.png[/img]为任意常数) F: [img=311x43]18033efe21681d6.png[/img] ([img=46x23]18033efdcd6bf50.png[/img]为任意常数)

    • 2

      微分方程[img=192x46]18033efbca7c367.png[/img]的通解为( ). A: [img=208x43]18033efbd635832.png[/img] ([img=46x23]18033efbdf1f06e.png[/img]为任意常数) B: [img=224x43]18033efbeb0b598.png[/img] ([img=46x23]18033efbdf1f06e.png[/img]为任意常数) C: [img=224x43]18033efbfec7292.png[/img] ([img=46x23]18033efbdf1f06e.png[/img]为任意常数) D: [img=202x43]18033efc11c3f36.png[/img] ([img=46x23]18033efbdf1f06e.png[/img]为任意常数) E: [img=175x26]18033efc231147b.png[/img] ([img=46x23]18033efbdf1f06e.png[/img]为任意常数) F: [img=181x26]18033efc33e215c.png[/img]([img=46x23]18033efbdf1f06e.png[/img]为任意常数)

    • 3

      ‏微分方程[img=188x25]1803c784af5ee73.png[/img]的通解为( ).​ A: [img=300x43]1803c784ba24d28.png[/img] ([img=46x23]1803c784c1ebdb1.png[/img]为任意常数) B: [img=300x43]1803c784cda89e6.png[/img] ([img=46x23]1803c784c1ebdb1.png[/img]为任意常数) C: [img=289x43]1803c784e1d317d.png[/img] ([img=46x23]1803c784c1ebdb1.png[/img]为任意常数) D: [img=292x29]1803c784f50d2f2.png[/img] ([img=46x23]1803c784c1ebdb1.png[/img]为任意常数) E: [img=300x29]1803c7850970547.png[/img] ([img=46x23]1803c784c1ebdb1.png[/img]为任意常数) F: [img=311x43]1803c7851e22877.png[/img] ([img=46x23]1803c784c1ebdb1.png[/img]为任意常数)

    • 4

      令F(x):x是有理数,G(x):x是实数。将命题“所有的有理数都是实数,但有的有实数不是有理数”符号化为() 未知类型:{'options': ['17e0a83a4157352.jpgx(F(x)∧G(x))∧[img=8x14]17e0a83a35505d4.jpg[/img]x(G(x)[img=14x9]17e0a73094b5dcf.jpg[/img][img=10x11]17e0a839b915354.jpg[/img]F(x))', ' [img=8x14]17e0a83a4157352.jpg[/img]x(F(x)[img=14x9]17e0a73094b5dcf.jpg[/img]G(x))∧[img=8x14]17e0a83a35505d4.jpg[/img]x(G(x)∧[img=10x11]17e0a839b915354.jpg[/img]F(x))', ' [img=8x14]17e0a83a4157352.jpg[/img]x(F(x)∧G(x))∧[img=8x14]17e0a83a35505d4.jpg[/img]x(G(x)∧[img=10x11]17e0a839b915354.jpg[/img]F(x))', ' [img=8x14]17e0a83a4157352.jpg[/img]x(F(x)[img=14x9]17e0a73094b5dcf.jpg[/img]G(x))∧[img=8x14]17e0a83a35505d4.jpg[/img]x(G(x)[img=14x9]17e0a73094b5dcf.jpg[/img][img=10x11]17e0a839b915354.jpg[/img]F(x))'], 'type': 102}