图示木接头,水平杆与斜杆成角,其挤压面积为( )。[img=251x131]18030dda4b7e5ea.bmp[/img]
A: [img=52x32]18030dda56b3575.bmp[/img]
B: [img=84x36]18030dda61948db.bmp[/img]
C: [img=84x59]18030dda6c057d3.bmp[/img]
D: [img=127x52]18030dda797d7c5.bmp[/img]
A: [img=52x32]18030dda56b3575.bmp[/img]
B: [img=84x36]18030dda61948db.bmp[/img]
C: [img=84x59]18030dda6c057d3.bmp[/img]
D: [img=127x52]18030dda797d7c5.bmp[/img]
举一反三
- 图示木接头,水平杆与斜杆成角,其挤压面积为( )。[img=251x131]17de8f64cf0ffab.bmp[/img] 未知类型:{'options': ['', '\u200d[img=84x36]17de8f64e910f3f.bmp[/img]', '', ''], 'type': 102}
- 设X,Y为两个随机变量,且[img=179x25]1803395d555effc.png[/img] , [img=226x25]1803395d61f1a43.png[/img] ,则[img=143x25]1803395d6f00057.png[/img]= ( ). A: 1/7 B: 3/7 C: 4/7 D: 5/7
- 图示木接头,水平杆与斜杆成[img=9x11]17e435c02617a31.jpg[/img]角,其挤压面积[img=22x18]17e43e8bc5bee18.jpg[/img]为()。[img=235x124]17e43e8bce8ee6b.jpg[/img] 未知类型:{'options': ['', ' [img=63x16]17e43e8be14290e.jpg[/img]', ' [img=35x35]17e43e8bea89e98.jpg[/img]', ' [img=78x35]17e43e8bf367d9e.jpg[/img]'], 'type': 102}
- 图示木接头,水平杆与斜杆成[img=16x15]17e441e1cadee24.png[/img]角,其挤压面积[img=22x22]17e441e1d44f284.png[/img]为()[img=231x130]17e441e1dd817c7.png[/img] 未知类型:{'options': ['bh', ' bhtan[img=16x15]17e441e1cadee24.png[/img]', ' [img=39x38]17e441e1e9a7c0a.png[/img]', ' [img=73x38]17e441e1f354f37.png[/img]'], 'type': 102}
- Which of the following propositions is false,set A = {x,x is an integer and[img=60x23]1803a1c6eebb7a3.png[/img]} ? ( ) A: [img=113x25]1803a1c6f77ce06.png[/img] B: [img=139x25]1803a1c7001fe79.png[/img] C: [img=51x22]1803a1c70863f61.png[/img] D: {x|x is an integer and |x| 4}[img=33x22]1803a1c711a7c63.png[/img]