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src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Febc24af5f4040e99303fa875d6041edf.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9904acc0578432d6cb5b75439a1acf33.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F7b1d051148665fbd67892defef036b33.png\">","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa6072c939ba9c33fcb015b61ec218963.png\">","设曲线\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F4495dd05eb09d87a896800d41913f822.png\">为圆周\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F0e15159f98ea0bb77298ad5677d52ba0.png\">在第一象限的部分,则\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fa0221e288e0650572144b55f340eaae6.png\">的值为( )"]