[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fQORW3kDEcgCTXFYllJxgFVuevmar1WiiqjoeGvYZl9o":3},{"id":4,"source":5,"question":6,"options":7,"answer":12,"related":13,"type":24,"origin":113,"createTime":26},269632653,"v1","根据历年气象统计资料,某地四月份吹东风的概率为9\u002F30,下雨的概率为11\u002F30,既吹东风又下雨的概率为8\u002F30.则在吹东风的条件下下雨的概率为( )",[8,9,10,11],"9\u002F11","8\u002F11","2\u002F5","8\u002F9",[],[14,27,37,46,56,65,75,83,93,103],{"id":15,"source":5,"question":16,"options":17,"answer":22,"related":23,"type":24,"origin":25,"createTime":26},269632627,"从集合{ 0,1,2,3,4,5,6}中任取两个互不相等的数a,b组成复数a+bi,其中虚数(形如a+bi的数,其中b不等于0)有( )",[18,19,20,21],"30","42","36","35",[],[],0,null,"2025-12-17T12:21:47+08:00",{"id":28,"source":5,"question":29,"options":30,"answer":35,"related":36,"type":24,"origin":25,"createTime":26},269632628,"教学大楼共有五层,每层均有两个楼梯,由一层到五层的走法有( )",[31,32,33,34],"10种","\u003Cimg src=\"\u002Fananas\u002Flatex\u002Fp\u002F10495\">种","\u003Cimg src=\"\u002Fananas\u002Flatex\u002Fp\u002F260528\">种","\u003Cimg src=\"\u002Fananas\u002Flatex\u002Fp\u002F1821\">种",[],[],{"id":38,"source":5,"question":39,"options":40,"answer":44,"related":45,"type":24,"origin":25,"createTime":26},269632629,"一件工作可以用2种方法完成,有3人会用第1种方法完成,另外5人会用第2种方法完成,从中选出1人来完成这件工作,不同选法的种数是( )",[41,42,43,18],"8","15","16",[],[],{"id":47,"source":5,"question":48,"options":49,"answer":54,"related":55,"type":24,"origin":25,"createTime":26},269632630,"从甲地去乙地有3班火车,从乙地去丙地有2班轮船,则从甲地去丙地可选择的旅行方式有( )",[50,51,52,53],"5种","6种","7种","8种",[],[],{"id":57,"source":5,"question":58,"options":59,"answer":63,"related":64,"type":24,"origin":25,"createTime":26},269632631,"由数字0,1,2,3,4可组成无重复数字的两位数的个数是( )",[60,61,43,62],"25","20","12",[],[],{"id":66,"source":5,"question":67,"options":68,"answer":73,"related":74,"type":24,"origin":25,"createTime":26},269632632,"李芳有4件不同颜色的衬衣,3件不同花样的裙子,另有两套不同样式的连衣裙.\"五一\"节需选择一套服装参加歌舞演出,则李芳有( )种不同的选择方式",[69,70,71,72],"24","14","10","9",[],[],{"id":76,"source":5,"question":77,"options":78,"answer":81,"related":82,"type":24,"origin":25,"createTime":26},269632633,"如图,用4种不同的颜色涂入图中的矩形A,B,C,D中,要求邻 的矩形涂色不同,则不同的涂法有( )种\u003Cimg src=\"https:\u002F\u002Fp.ananas.chaoxing.com\u002Fstar3\u002Forigin\u002Fb604e0cca08d7e111e9c4ec544f0fc31.png\">",[79,80,69,62],"72","48",[],[],{"id":84,"source":5,"question":85,"options":86,"answer":91,"related":92,"type":24,"origin":25,"createTime":26},269632634,"把10个苹果分成三堆,要求每堆至少1个,至多5个,则不同的分法共有( )种",[87,88,89,90],"4","5","6","7",[],[],{"id":94,"source":5,"question":95,"options":96,"answer":101,"related":102,"type":24,"origin":25,"createTime":26},269632635,"有6个座位连成一排,现有3人就坐,则恰有两个空座位相邻的不同坐法有( )",[97,98,99,100],"36种","48种","72种","96种",[],[],{"id":104,"source":5,"question":105,"options":106,"answer":111,"related":112,"type":24,"origin":25,"createTime":26},269632636,"6个人分乘两辆不同的汽车,每辆车最多坐4人,则不同的乘车方法数为( )",[107,108,109,110],"40","50","60","70",[],[],{"courseName":114,"courseImg":115,"workName":116,"workId":117,"count":118,"courseId":119},"默认课程","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","第五章 概率基础","4f8590ba9b7846fdb54f0df4b802220c",44,"53e1d2ef4961cca8eea3e23969ad2cb9"]