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欢迎老师组织学生集体参与.每期将评出优胜个人及辅导老师奖,并颁发证书及奖品.★请于12月6日前将答案寄:(450004)郑州市顺河路11号《中学生数理化》(初中版)编辑部田心红收,信封正面请贴上本页左下角的参赛标志,答卷用16开稿纸誊写清楚,并注明称及辅导老师的姓名、通讯地址、E-mail、联系电话等.★答案在表刊12月号刊登,获奖名单在2006年1月号公布.1.如图1,在(?)ABCD中,∠DAB=60°,AB=5,BC=3,点P从起点D出发,沿DC、CB向终点B匀速运动.设点P所走过的路程为x,点P所走过的路径与线段AD、AP所围成图形的面积为y,y随x的变化而变化.在下列图象中,能反映y与
Teachers are welcome to organize students to participate collectively. In each issue, we will award winners and tutors and issue certificates and prizes. ★ Please send your answers by December 6th: (450004) “No. 11 Shunhe Road, Zhengzhou City” 》(Middle School Edition) Editorial Center Tian Xinhong, please fill in the front of the envelope with the entry sign in the lower left corner of the page. The answer sheet should be clearly written on the 16th manuscript, and indicate the name and address of the tutor, mailing address, E-mail, and contact number. Etc. ★ The answers were published in the December issue of the periodical, and the winners were announced on January 2006. 1. As shown in Figure 1, in (?)ABCD, ∠DAB=60°, AB=5, BC=3, point P starts from the starting point D and moves uniformly along the DC and CB to the end point B. The distance traveled by the point P is x, and the area covered by the point AD and AP is y and y. Changes in the change of x. In the following images, it can reflect y and