[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fGNrsCIFo9DYxCWuM6k1TK5gUAe4LHhpBZNu-oTaYHtA":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":14,"related":15,"source":25,"type":74},[],"2025-12-31 18:17:27",296930256,[8,9],"正确","错误",{"courseId":11,"courseImg":12,"courseName":13},"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","混合积的值与向量的顺序无关",[16,27,36,44,53,59,64,69,75,80],{"answer":17,"createTime":5,"id":18,"options":19,"question":24,"source":25,"type":26},[],296930247,[20,21,22,23],"混合积 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4b220f788192afd6d8e5a4e1729513c5.png\"> 的值等于以这三个向量为棱的平行六面体的体积","混合积的绝对值表示三个向量所围成的平行六面体的体积","如果混合积为零,则三个向量共面","混合积的符号表示三个向量的方向关系,正负号表示右手系或左手系","下列关于混合积的说法中,正确的有","v1",1,{"answer":28,"createTime":5,"id":29,"options":30,"question":35,"source":25,"type":26},[],296930248,[31,32,33,34],"平面曲线可以用参数方程表示","平面曲线可以用极坐标方程表示","平面曲线可以用直角坐标方程表示","平面曲线只能用参数方程表示","下列关于平面曲线的描述中,正确的有",{"answer":37,"createTime":5,"id":38,"options":39,"question":43,"source":25,"type":26},[],296930249,[40,41,42,14],"混合积的绝对值等于三个向量所构成的平行六面体的体积","混合积的符号表示三个向量的方向关系","混合积恒为正数","下列关于混合积的说法中,哪些是正确的",{"answer":45,"createTime":5,"id":46,"options":47,"question":52,"source":25,"type":26},[],296930250,[48,49,50,51],"曲线的方程可以表示为参数方程的形式","曲线的方程可以表示为隐函数的形式","曲线的方程只能表示为显函数的形式","曲线的方程不能表示为空间直线方程","下列关于曲线的方程的说法中,哪些是正确的",{"answer":54,"createTime":5,"id":55,"options":56,"question":57,"source":25,"type":58},[],296930251,[],"已知向量 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F5b83092003ee48256db9bc1088bf7747.png\">, \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F056dcfff9747f0e7fd425b6307cc4d8b.png\">, \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F44a418be9c1ed673228bf7cc03aea85c.png\">, 则它们的混合积 =",2,{"answer":60,"createTime":5,"id":61,"options":62,"question":63,"source":25,"type":58},[],296930252,[],"设平面曲线的参数方程为 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fdccc73bc3e35f4e16ad0e2cf0fb5a8e8.png\">, \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F2e4bc748f72b47d99639bca2d90ef2cb.png\">,则其普通方程为",{"answer":65,"createTime":5,"id":66,"options":67,"question":68,"source":25,"type":58},[],296930253,[],"设向量 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe4dd15f75a20d206f86d9100756ee521.png\">,\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb43a22c447a73572b5b57925128d41fc.png\">,\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F77e75a398e675e0690c571088e955a79.png\">,则 \u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ffcaf497b6237366d8eed6c735482c068.png\">=",{"answer":70,"createTime":5,"id":71,"options":72,"question":73,"source":25,"type":74},[],296930254,[8,9],"混合积的值为零时,三个向量一定共面",3,{"answer":76,"createTime":5,"id":77,"options":78,"question":79,"source":25,"type":74},[],296930255,[8,9],"平面曲线的参数方程可以唯一地表示一条曲线",{"answer":81,"createTime":5,"id":6,"options":82,"question":14,"source":25,"type":74},[],[8,9]]