[tex=4.143x1.0]QESKKT1y+ffQlQo+5vdY2w==[/tex]
举一反三
- 若有定义:int w=1,x=2,y=3,z=4;则条件表达式w<;x?w:y<;z?y:z的值是:____。(1.0)
- 已知 [tex=0.929x1.0]r5Haq7W1lVGBc4dFEM2Zk1042rAqwO2NsSIOA9UOXzQ=[/tex],[tex=0.929x1.0]lfAzp4E7jz98ZvbLVaeb5zrG2zPNhPUdTOttDRJyHg4=[/tex],[tex=0.857x1.0]+RDtolMEPstCYskR3eqhhdgbqU1HyB0Y60PqZ2of9ow=[/tex]都是[tex=0.643x1.286]ZsZs11iKEvfmzDIurZth8g==[/tex]阶可逆矩阵,且[tex=4.143x1.0]ysPsVBYgue2sVzMz/Uq3u8YjlF8WAsY5Y79PC4tl0FUORxjpWTgvdFyFLIkCCD/T[/tex], 则下列结论必成立的是 未知类型:{'options': ['[tex=4.143x1.0]gbz670qdD6513Z2C0vBKXhvhYFfF2IqXPWAaFJDsaBk=[/tex]', '[tex=4.143x1.0]+AcKdLXE/WlDewUF6aGZ8PIPohdvi0J5hP5oKThv7IE=[/tex]', '[tex=4.143x1.0]ePo2h2G/pcq2TMVK3A0uApUn6ON2P1eM9leUWWxAPLI=[/tex]', '[tex=4.143x1.0]6bPah5B+s/gqEcIXpTJ5RcmzYHC4bhHfa6gIgdLAQHE=[/tex]'], 'type': 102}
- 执行以下语句后a的值为 。int a=5,b=6,w=1,x=2,y=3,z=4;(a=w>x)&&(b=y>z)() A: 5 B: 0 C: 2 D: 1
- 设[tex=0.643x0.786]SBMIs+VUk7//BOpfqlQl0w==[/tex]阶矩阵[tex=0.929x1.0]zkuxy59wnc0FrSuUc1OFF6pw7am5S+IP5AAfiovVsGI=[/tex],[tex=0.929x1.0]GTnOCR9hNPsOuxGSyBGTAE4D+bwdNZdKWKqAkIkho7A=[/tex],[tex=0.857x1.0]0VpJS0vjPV56/khQ++mGPg2qyuprt2n1PFYmiqwMaHc=[/tex]满足关系式[tex=4.143x1.0]R9q/1zIcSN2eT74WQYLXS8HHFTkpaUve2P3ZHfDAeT8lqHOApZb7P+4DiV54yXue[/tex],其中[tex=0.857x1.0]DxzwCb+ng32eMSRcJ1ZieQ==[/tex]是[tex=0.643x0.786]SBMIs+VUk7//BOpfqlQl0w==[/tex]阶单位矩阵,则必有 未知类型:{'options': ['[tex=4.143x1.0]8cRFT1Hfou4GkkcgYUW2S6RXEYwJd+72hg60mnujlsUqK9MFe28nPDBvoa6xr2we[/tex]', '[tex=4.143x1.0]b9LSQqcmo9KlZduCztL10FpWCJL4Y1w3+1JulkagNtpP6adRyrZH4QKrWlfp0btF[/tex]', '[tex=4.143x1.0]Or+ZLKfSkGzMLGgKscDr1ql2toYllny4EFBrgv5aefgf4qJEguiMgEUA4d/I/z/o[/tex]', '[tex=4.143x1.0]9YgAFChsLeVtua9oBHhV4Bzctji28Q4gGL1Kxh3y0LS6kPlZu7h62ruRYAV11yE+[/tex]'], 'type': 102}
- 产品[tex=0.857x1.0]N7iCrOsS+NNEUUlnsYCi1g==[/tex]和[tex=0.643x1.0]O+viFNA0oHTwnBtQyi80Zw==[/tex]是互补品。需求函数;[br][/br]$Q_{X}=640-4 P_{X}-P_{Y}, \quad Q_{Y}=\frac{1}{2} Q_{X}-\frac{1}{2} P_{Y}$\ \假定两者短期供给是固定的:[br][/br][tex=7.571x1.214]CfZnuLHqwTFF3JM+8Dj0b8jBQ/cIxAsLu6pTzTLTHBE=[/tex]求:这两种产品的均衡价格为多少?