[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fpwAW1CPKwZYqLYE6jI1DANESzNIffj5_q3Zd6h5IIKk":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":26,"type":27},[],"2025-09-28 10:44:45",218611575,[8,9,10,11],"3","4","5","6",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},20,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","exam_167243137","大物实验2绪论知识点自测-56节","在物理实验中,测量一个物体的质量得到结果为12.345g,这个数值的有效位数是多少",[21,28,31,40,46,55,64,73,82,91],{"answer":22,"createTime":5,"id":23,"options":24,"question":25,"source":26,"type":27},[],218611574,[8,11,9,10],"请确定下列值的有效位数: 0.05760 mm","v1",0,{"answer":29,"createTime":5,"id":6,"options":30,"question":19,"source":26,"type":27},[],[8,9,10,11],{"answer":32,"createTime":5,"id":33,"options":34,"question":39,"source":26,"type":27},[],218611576,[35,36,37,38],"1位","2位","3位","4位","在科学计数法中,数值\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F51452d0f72ca63274a3f8dc00904773a.png\">的有效数字是",{"answer":41,"createTime":5,"id":42,"options":43,"question":45,"source":26,"type":27},[],218611577,[44,8,9,10],"2","如果两个数分别是12.34和1.234,在进行加法运算时,结果的有效数字位数应该是多少",{"answer":47,"createTime":5,"id":48,"options":49,"question":54,"source":26,"type":27},[],218611578,[50,51,52,53],"以小数点后位数最少的那个数为准","以小数点后位数最多的那个数为准","以有效数字位数最少的那个数为准","以有效数字位数最多的那个数为准","在进行有效数字运算时,两个数相乘的结果的有效数字位数应如何确定",{"answer":56,"createTime":5,"id":57,"options":58,"question":63,"source":26,"type":27},[],218611579,[59,60,61,62],"与被乘方数的有效数字位数相同","比被乘方数的有效数字位数多一位","比被乘方数的有效数字位数少一位","与乘方次数有关","在进行乘方运算后,结果的有效数字位数应如何确定",{"answer":65,"createTime":5,"id":66,"options":67,"question":72,"source":26,"type":27},[],218611580,[68,69,70,71],"-8.5","-9","-8.54","-8","请计算下列式子的值(有效数字最后一步修约) 27.013÷0.234-123.98",{"answer":74,"createTime":5,"id":75,"options":76,"question":81,"source":26,"type":27},[],218611581,[77,78,79,80],"102.3","102","1*10^2","102.31","请计算下列式子的值(有效数字最后一步修约) \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F123645e2a64fa4c760f05ed105abd557.png\">",{"answer":83,"createTime":5,"id":84,"options":85,"question":90,"source":26,"type":27},[],218611582,[86,87,88,89],"39","40","39.58","39.6","请计算下列式子的值(有效数字最后一步修约) (34.572+0.23)\u002F0.87923",{"answer":92,"createTime":5,"id":93,"options":94,"question":99,"source":26,"type":27},[],218611583,[95,96,97,98],"827.1","827","827.10","827.0","请计算下列式子的值(有效数字最后一步修约) \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F14c547dca7986dd0b76c1da55a050aa8.png\">"]