如图,设长度为1的两条线段[tex=1.571x1.286]aR1a8Eu3rZLX3flcxLOVFw==[/tex]和[tex=1.643x1.286]dBU+qvXA0U3YauaMAtx1aA==[/tex]相交于[tex=0.786x1.286]/aLPP1sXG9WQPxIsGVtWrg==[/tex],且[tex=5.643x1.286]XXmsSYtCOYnmyMwwAzkVTMYDL8/iTC91Fs6O8rrXbp4=[/tex],那么正确的是( )。[img=351x364]1786d55b57be91c.png[/img]
未知类型:{'options': ['[tex=6.071x1.286]BziUQcmI32UYRbzmsMbqeA==[/tex]', '[tex=6.071x1.286]jO0Luz+hbPOG/JWAW+aeEw==[/tex]', '[tex=6.071x1.286]zFApm4extOR5thUAYv/jVmlpwcauyFefLBPxe1BOuyc=[/tex]', '[tex=6.071x1.286]WirbRvxX/D/DEqsS9GzWic1XXVFmdGW5lG5gDnCtnQw=[/tex]'], 'type': 102}
未知类型:{'options': ['[tex=6.071x1.286]BziUQcmI32UYRbzmsMbqeA==[/tex]', '[tex=6.071x1.286]jO0Luz+hbPOG/JWAW+aeEw==[/tex]', '[tex=6.071x1.286]zFApm4extOR5thUAYv/jVmlpwcauyFefLBPxe1BOuyc=[/tex]', '[tex=6.071x1.286]WirbRvxX/D/DEqsS9GzWic1XXVFmdGW5lG5gDnCtnQw=[/tex]'], 'type': 102}
举一反三
- 某人对商品x的需求函数是[tex=5.214x1.214]0m6eBd5eyK0NjuxeKfwtIw==[/tex],[tex=4.214x1.214]I717YsPbj8Rnym1v2XQ+sFNkUl7mqUsGwbjwjXmy2xc=[/tex],这里[tex=0.571x1.0]Za328cIB4SeR7rrzY+MM5Q==[/tex]是[tex=0.571x0.786]ZSLOI4fiO1oAbVC5M8IVkA==[/tex]的价格。如果商品x 的价格是0.5元,那么他对商品x的需求价格弹性是 未知类型:{'options': ['-10', '- 1/5', '-1/10', '\xa0- 1/3'], 'type': 102}
- 下列函数是哪些函数复合而成的?(1)[tex=4.214x1.286]6PuLCl/TwscTl61WSePGog==[/tex];(2)[tex=5.214x1.286]+mZ2Cm2OprRKGTGg0iqmyZx+4lZ796PxrSQNx30R9UU=[/tex];(3)[tex=4.214x1.357]jTbrMH55vzOFOJlLSnfh103OHFmRhIjXZGzPnfweOX0=[/tex];(4)[tex=6.071x1.286]W2A0mViHY0pK74wEByr6ED5K+AKV/pxHaeQdYGQBxwc=[/tex];(5)[tex=6.714x1.429]8up/G1s+GteD9ejcGkFVmYl3TTtTik5kuwrPDCv0JkbGIWyY33cnaw7XtBiPcSnh[/tex];(6)[tex=5.714x1.286]APaFs2rWyubdkzLcUVVxVJSSAsLEOtXn4KjnToE2BQA=[/tex];
- 三角函数中,arctan(1/2)+arctan(1/3)= 未知类型:{'options': ['[tex=1.643x1.286]fwX8AjZrF/5vZqosXorlHg==[/tex]', '[tex=1.571x1.286]9Zv3MpF1HW1lHsdhmYl4gQ==[/tex]', '[tex=0.643x1.286]USGVpa36zb6HMu8k0moHJA==[/tex]', '[tex=1.143x1.286]MG2u3jYKRRGfnjGR+VhW1w==[/tex]'], 'type': 102}
- 设I(x):x是整数;N(x):x是负数;S(x,y):y是x的平方命题“任何整数的平方非负”可表示为谓词公式 未知类型:{'options': ['[tex=11.929x1.357]Ab8zVcSaawMRd84sw7i/JAhyPtafOzIiYwAO+plGfU5YAO/QV3YAB0GXAXRhZ7CliwQzjDdB7FbEZsDooWfNcKY5XHTFYR6Idofr8S7Wax4=[/tex]', '[tex=11.214x1.357]Vs8Vcw/zPN7kvQW5F7NycC9PlK+v4vkWJ4hyjFXkOftd5yicp99G5Tnp+KzILEwlHDVGwqo5md6rK5TfGKT6pg==[/tex]', '[tex=11.214x1.357]Ab8zVcSaawMRd84sw7i/JPLc5lkPb0vCB3HAoQdCvLgUiouuuSbyQIQ62rJKADX6FQeTBBqnQa6q/6Qzw2KRYw==[/tex]', '[tex=10.929x1.357]mX5PRaABESRf9QDOAojNZuqee9gfCLdnz+se+AlyZp5SHDOcNaBoGKl0MgSjkAb89Uw7a1sL8h1OT0gFb59yAg==[/tex]'], 'type': 102}
- [tex=1.143x1.0]wu6kdci557xjyPb0N9Thnw==[/tex]地址分为[tex=6.071x1.286]U1I+7Ln/Lvm/colIxnTJ5H1od6NLV7rcGt5cTy/vYbk=[/tex]和[tex=0.786x1.0]XvHgf70VtK2FH5G93l0k3g==[/tex]五类,其中[tex=0.786x1.0]Yn3GgEZev6SOu2r4v1WnCw==[/tex]类地址用[input=type:blank,size:4][/input]位二进制数表示网络地址。 未知类型:{'options': ['1', '7', '9', '10'], 'type': 102}