青海海东市平安区2026-2027学年九年级上学期11月期中阶段学情调研数学试卷

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海东市平安区2026—2027学年第一学期阶段学情调研

九年级数学

(本试卷满分120分,考试时间120分钟)

注意事项:

1.本试卷为试题卷,请将答案写在答题卡上,否则无效.

2.答卷前请将密封线内的项目填写清楚.

一、选择题(本大题共8小题,每小题3分,共24分.在每小题给出的四个选项中,只有一项符合要求).

1.下列函数中,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是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的反比例函数的是

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2.抛物线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的顶点坐标是

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3.已知点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在反比例函数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的图象上,则的值为

A.B.C.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.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

4.将一元二次方程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配方,得到方程eqWmf183GmgAAAAAAAIAMgAYBCQAAAAAQVAEACQAAA08EAAAEAAMBAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADAKABoAMCwAAACYGDwAMAE1hdGhUeXBlAABwARIAAAAmBg8AGgD/////AAAQAAAAwP///7b///9ADAAANgYAAAUAAAAJAgAAAAIFAAAAFAIWBEcBHAAAAPsCEP7lAAAAAACQAQAAAAEAAgAQU3ltYm9sAHd2vkV3QAAAAIjVzwBj6UN3kJBJdzsIRHcEAAAALQEAAAkAAAAyCgAAAAABAAAAKAAAAAUAAAAUAhYEowQcAAAA+wIQ/uUAAAAAAJABAAAAAQACABBTeW1ib2wAd3a+RXdAAAAAiNXPAGPpQ3eQkEl3OwhEdwQAAAAtAQEABAAAAPABAAAJAAAAMgoAAAAAAQAAACkAAAAFAAAAFAIWBE4FHAAAAPsCEP7lAAAAAACQAQAAAAEAAgAQU3ltYm9sAHd2vkV3QAAAAIjVzwBj6UN3kJBJdzsIRHcEAAAALQEAAAQAAADwAQEACQAAADIKAAAAAAEAAAAoAAAABQAAABQCFgRwCRwAAAD7AhD+5QAAAAAAkAEAAAABAAIAEFN5bWJvbAB3dr5Fd0AAAACI1c8AY+lDd5CQSXc7CER3BAAAAC0BAQAEAAAA8AEAAAkAAAAyCgAAAAABAAAAKQAAAAgAAAD6AgAAEwAAAAAAAAIEAAAALQEAAAUAAAAUAqgEQAAFAAAAEwKoBAEKBQAAAAkCAAAAAgUAAAAUAvQADwEcAAAA+wIg/wAAAAAAAJABAAAAAAACABBUaW1lcyBOZXcgUm9tYW4AiNLPAGPpQ3eQkEl3OwhEdwQAAAAtAQIABAAAAPABAQAJAAAAMgoAAAAAAQAAADIAwAEFAAAAFAKgAfUCHAAAAPsCgP4AAAAAAACQAQAAAAAAAgAQVGltZXMgTmV3IFJvbWFuAIjSzwBj6UN3kJBJdzsIRHcEAAAALQEBAAQAAADwAQIACgAAADIKAAAAAAIAAAA4OdMEAAMFAAAAFAL+A+0DHAAAAPsCgP4AAAAAAACQAQAAAAAAAgAQVGltZXMgTmV3IFJvbWFuAIjSzwBj6UN3kJBJdzsIRHcEAAAALQECAAQAAADwAQEADAAAADIKAAAAAAMAAAAxMjEA+gHTAgADBQAAABQCCAWKCxwAAAD7AoD+AAAAAAAAkAEAAAAAAAIAEFRpbWVzIE5ldyBSb21hbgCI0s8AY+lDd5CQSXc7CER3BAAAAC0BAQAEAAAA8AECAAkAAAAyCgAAAAABAAAAOAAAAwUAAAAUAjIGwwQcAAAA+wKA/gAAAAAAAJABAAAAAAACABBUaW1lcyBOZXcgUm9tYW4AiNLPAGPpQ3eQkEl3OwhEdwQAAAAtAQIABAAAAPABAQAJAAAAMgoAAAAAAQAAADYAAAMFAAAAFAKgAU4AHAAAAPsCgP4AAAAAAACQAQEAAAAAAgAQVGltZXMgTmV3IFJvbWFuAIjSzwBj6UN3kJBJdzsIRHcEAAAALQEBAAQAAADwAQIACgAAADIKAAAAAAIAAAB4eHsDAAMFAAAAFAL+A1QAHAAAAPsCgP4AAAAAAACQAQEAAAAAAgAQVGltZXMgTmV3IFJvbWFuAIjSzwBj6UN3kJBJdzsIRHcEAAAALQECAAQAAADwAQEADAAAADIKAAAAAAMAAABubm4AjAHNBAADBQAAABQCoAHpARwAAAD7AoD+AAAAAAAAkAEAAAABAAIAEFN5bWJvbAB3dr5Fd0AAAACI0s8AY+lDd5CQSXc7CER3BAAAAC0BAQAEAAAA8AECAA0AAAAyCgAAAAAEAAAALSs9K90C2AExAgADBQAAABQC/gPwAgoAAAAyCgAAAAACAAAAKyvNBAADBQAAABQCCAVqCgkAAAAyCgAAAAABAAAAPSsAAwUAAAAUAqABkAUcAAAA+wKA/gAAAAAAAJABAAAAAQACABBFdWNsaWQgTWF0aCBUd28AiNLPAGPpQ3eQkEl3OwhEdwQAAAAtAQIABAAAAPABAQAKAAAAMgoAAAAAAgAAACMjCQQAAwMBAAAmBg8A/AFBcHBzTUZDQwEA1QEAANUBAABEZXNpZ24gU2NpZW5jZSwgSW5jLgAFAQAHBERTTVQ3AAATV2luQWxsQmFzaWNDb2RlUGFnZXMAEQVUaW1lcyBOZXcgUm9tYW4AEQNTeW1ib2wAEQVDb3VyaWVyIE5ldwARBE1UIEV4dHJhABNXaW5BbGxDb2RlUGFnZXMAEQbLzszlABIACCEvJ/JfIY8hL0dfQVDyHx5BUPQVD0EA9EX0JfSPQl9BAPQQD0NfQQD0j0X0Kl9I9I9BAPQQD0D0j0F/SPQQD0EqX0RfRfRfRfRfQQ8MAQABAAECAgICAAIAAQEBAAMAAQAEAAUACgQAAQEBABAAAAAAAAAADwECAIN4AA8AAwAcAAALAQEBAA8BAgCIMgAAAAoCBIYSIi0CAIg4AAIAg3gAAgSGKwArE0V1Y2xpZE1hdGgyABEHRXVjbGlkIE1hdGggVHdvAAgGAAIEf7IlIwIEhj0APQIAiDkAAgSGKwArAgR/siUjAAEAAwALAAABAAIAg24ADwADAAEDAAEADwECAINuAAIEhisAKwIAiDEAAA8AAgCWKAACAJYpAAADAAEDAAEADwECAIgyAAIAg24AAgSGKwArAgCIMQAADwACAJYoAAIAlikAAAAPAQEAAgCINgAAAAIEhj0APQIAiDgAAAAACgAAACYGDwAKAP////8BAAAAAAAIAAAA+gIAAAAAAAAAAAAABAAAAC0BAQAcAAAA+wIUAAkAAAAAALwCAAAAhgECAiJTeXN0ZW0AAIMIiiUAAAoABgAAAGIjZtmDCIolOwhEdwQAAAAtAQMABAAAAPABAgADAAAAAAA=,其中“”表示的数是

A.16B.8C.81D.64

5.二次函数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的最大值是

A.3B.4C.5D.6

6.与抛物线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的顶点相同,形状也相同,而开口方向相反的抛物线对应的解析式是

A.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B.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C.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D.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

7.已知关于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的方程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有两个相等的实数根,则eqWmf183GmgAAAAAAAEABwAEFCQAAAACUXgEACQAAAzEBAAACAI4AAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADALAAUABCwAAACYGDwAMAE1hdGhUeXBlAAAwABIAAAAmBg8AGgD/////AAAQAAAAwP///8X///8AAQAAhQEAAAUAAAAJAgAAAAIFAAAAFAJgATYAHAAAAPsCgP4AAAAAAACQAQEAAAAAAgAQVGltZXMgTmV3IFJvbWFuAIjSzwBj6UN3kJBJdzsIRHcEAAAALQEAAAkAAAAyCgAAAAABAAAAawAAA44AAAAmBg8AEgFBcHBzTUZDQwEA6wAAAOsAAABEZXNpZ24gU2NpZW5jZSwgSW5jLgAFAQAHBERTTVQ3AAETV2luQWxsQmFzaWNDb2RlUGFnZXMAEQVUaW1lcyBOZXcgUm9tYW4AEQNTeW1ib2wAEQVDb3VyaWVyIE5ldwARBE1UIEV4dHJhABNXaW5BbGxDb2RlUGFnZXMAEQbLzszlABIACCEvJ/JfIY8hL0dfQVDyHx5BUPQVD0EA9EX0JfSPQl9BAPQQD0NfQQDyHyCl8gol9I8h9BAPQQD0D0j0F/SPQQDyGl9EX0X0X0X0X0EPDAEAAQABAgICAgACAAEBAQADAAEABAAFAAoBABAAAAAAAAAADwECAINrAAAACgAAACYGDwAKAP////8BAAAAAAAcAAAA+wIUAAkAAAAAALwCAAAAhgECAiJTeXN0ZW0AAIMIiiUAAAoABgAAADwbZrSDCIolOwhEdwQAAAAtAQEABAAAAPABAAADAAAAAAA=的值为

A.B.C.eqWmf183GmgAAAAAAAAACwAEDCQAAAADSXQEACQAAA2YBAAACAJEAAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADALAAQACCwAAACYGDwAMAE1hdGhUeXBlAAAwABIAAAAmBg8AGgD/////AAAQAAAAwP///8X////AAQAAhQEAAAUAAAAJAgAAAAIFAAAAFAJgAQ4BHAAAAPsCgP4AAAAAAACQAQAAAAAAAgAQVGltZXMgTmV3IFJvbWFuAIjSzwBj6UN3kJBJdzsIRHcEAAAALQEAAAkAAAAyCgAAAAABAAAAOHkAAwUAAAAUAmABOwAcAAAA+wKA/gAAAAAAAJABAAAAAQACABBTeW1ib2wAd3a+RXdAAAAAiNLPAGPpQ3eQkEl3OwhEdwQAAAAtAQEABAAAAPABAAAJAAAAMgoAAAAAAQAAAC15AAORAAAAJgYPABgBQXBwc01GQ0MBAPEAAADxAAAARGVzaWduIFNjaWVuY2UsIEluYy4ABQEABwREU01UNwABE1dpbkFsbEJhc2ljQ29kZVBhZ2VzABEFVGltZXMgTmV3IFJvbWFuABEDU3ltYm9sABEFQ291cmllciBOZXcAEQRNVCBFeHRyYQATV2luQWxsQ29kZVBhZ2VzABEGy87M5QASAAghLyfyXyGPIS9HX0FQ8h8eQVD0FQ9BAPRF9CX0j0JfQQD0EA9DX0EA8h8gpfIKJfSPIfQQD0EA9A9I9Bf0j0EA8hpfRF9F9F9F9F9BDwwBAAEAAQICAgIAAgABAQEAAwABAAQABQAKAQAQAAAAAAAAAA8BAgSGEiItAgCIOAAAAAoAAAAmBg8ACgD/////AQAAAAAAHAAAAPsCFAAJAAAAAAC8AgAAAIYBAgIiU3lzdGVtAHeDCIolAAAKAAYAAABqKmYxgwiKJTsIRHcEAAAALQEAAAQAAADwAQEAAwAAAAAAD.

8.二次函数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(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、为常数,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)的部分与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的对应值如表:

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

…

…

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

…

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

…

 

则关于该二次函数的说法不正确的是page number 0

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A.其图象开口向下

B.其图象的对称轴为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

C.函数的最大值为

D.当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时,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的值随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值的增大而减小

二、填空题(本大题共8小题,每小题3分,共24分).

9.若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是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关于的二次函数,则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的值是__________.

10.若反比例函数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图象的一支在第四象限,则eqWmf183GmgAAAAAAAEABwAEFCQAAAACUXgEACQAAAzEBAAACAI4AAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADALAAUABCwAAACYGDwAMAE1hdGhUeXBlAAAwABIAAAAmBg8AGgD/////AAAQAAAAwP///8X///8AAQAAhQEAAAUAAAAJAgAAAAIFAAAAFAJgATYAHAAAAPsCgP4AAAAAAACQAQEAAAAAAgAQVGltZXMgTmV3IFJvbWFuAIjSzwBj6UN3kJBJdzsIRHcEAAAALQEAAAkAAAAyCgAAAAABAAAAa3kAA44AAAAmBg8AEgFBcHBzTUZDQwEA6wAAAOsAAABEZXNpZ24gU2NpZW5jZSwgSW5jLgAFAQAHBERTTVQ3AAETV2luQWxsQmFzaWNDb2RlUGFnZXMAEQVUaW1lcyBOZXcgUm9tYW4AEQNTeW1ib2wAEQVDb3VyaWVyIE5ldwARBE1UIEV4dHJhABNXaW5BbGxDb2RlUGFnZXMAEQbLzszlABIACCEvJ/JfIY8hL0dfQVDyHx5BUPQVD0EA9EX0JfSPQl9BAPQQD0NfQQDyHyCl8gol9I8h9BAPQQD0D0j0F/SPQQDyGl9EX0X0X0X0X0EPDAEAAQABAgICAgACAAEBAQADAAEABAAFAAoBABAAAAAAAAAADwECAINrAAAACgAAACYGDwAKAP////8BAAAAAAAcAAAA+wIUAAkAAAAAALwCAAAAhgECAiJTeXN0ZW0AAIMIiiUAAAoABgAAABcvZlWDCIolOwhEdwQAAAAtAQEABAAAAPABAAADAAAAAAA=的取值范围是__________.

11.若关于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的一元二次方程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的两个实数根分别为和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,则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的值为__________.

12.已知点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、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在反比例函数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的图象上,则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13.如果抛物线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经过点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和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,那么抛物线的对称轴为直线__________.

14.九年级举办篮球友谊赛,参赛的每两个队之间都要比赛一场,共要比赛45场,设参加此次比赛的球队数是,则可列方程为__________.

15.将抛物线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的顶点平移到点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的位置,所得新抛物线的表达式为__________.

16.如图,点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在反比例函数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的图象上,过点作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轴于点,作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轴于点,连接eqWmf183GmgAAAAAAAIACwAEDCQAAAABSXQEACQAAAzUBAAACAJEAAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADALAAYACCwAAACYGDwAMAE1hdGhUeXBlAAAwABIAAAAmBg8AGgD/////AAAQAAAAwP///8X///9AAgAAhQEAAAUAAAAJAgAAAAIFAAAAFAJgAUUAHAAAAPsCgP4AAAAAAACQAQEAAAAAAgAQVGltZXMgTmV3IFJvbWFuAIjSzwBj6UN3kJBJdzsIRHcEAAAALQEAAAoAAAAyCgAAAAACAAAAQkPrAAADkQAAACYGDwAXAUFwcHNNRkNDAQDwAAAA8AAAAERlc2lnbiBTY2llbmNlLCBJbmMuAAUBAAcERFNNVDcAARNXaW5BbGxCYXNpY0NvZGVQYWdlcwARBVRpbWVzIE5ldyBSb21hbgARA1N5bWJvbAARBUNvdXJpZXIgTmV3ABEETVQgRXh0cmEAE1dpbkFsbENvZGVQYWdlcwARBsvOzOUAEgAIIS8n8l8hjyEvR19BUPIfHkFQ9BUPQQD0RfQl9I9CX0EA9BAPQ19BAPIfIKXyCiX0jyH0EA9BAPQPSPQX9I9BAPIaX0RfRfRfRfRfQQ8MAQABAAECAgICAAIAAQEBAAMAAQAEAAUACgEAEAAAAAAAAAAPAQIAg0IAAgCDQwAAAAAKAAAAJgYPAAoA/////wEAAAAAABwAAAD7AhQACQAAAAAAvAIAAACGAQICIlN5c3RlbQAAgwiKJQAACgAGAAAAezFmEIMIiiU7CER3BAAAAC0BAQAEAAAA8AEAAAMAAAAAAA==,则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的面积为__________.

三、解答题(本大题共9小题,共72分,解答应写出必要的文字说明、证明过程或演算步骤).

17.(6分)解方程: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.

18.(6分)已知抛物线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与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轴只有一个公共点,求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的值.

19.(7分)如图,在平面直角坐标系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中,反比例函数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的部分图像经过格点,eqWmf183GmgAAAAAAAIABgAECCQAAAAATXgEACQAAAzEBAAACAI4AAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADAKAAYABCwAAACYGDwAMAE1hdGhUeXBlAAAgABIAAAAmBg8AGgD/////AAAQAAAAwP///+X///9AAQAAZQEAAAUAAAAJAgAAAAIFAAAAFAJAAUUAHAAAAPsCgP4AAAAAAACQAQEAAAAAAgAQVGltZXMgTmV3IFJvbWFuAIjSzwBj6UN3kJBJdzsIRHcEAAAALQEAAAkAAAAyCgAAAAABAAAAQnkAA44AAAAmBg8AEgFBcHBzTUZDQwEA6wAAAOsAAABEZXNpZ24gU2NpZW5jZSwgSW5jLgAFAQAHBERTTVQ3AAETV2luQWxsQmFzaWNDb2RlUGFnZXMAEQVUaW1lcyBOZXcgUm9tYW4AEQNTeW1ib2wAEQVDb3VyaWVyIE5ldwARBE1UIEV4dHJhABNXaW5BbGxDb2RlUGFnZXMAEQbLzszlABIACCEvJ/JfIY8hL0dfQVDyHx5BUPQVD0EA9EX0JfSPQl9BAPQQD0NfQQDyHyCl8gol9I8h9BAPQQD0D0j0F/SPQQDyGl9EX0X0X0X0X0EPDAEAAQABAgICAgACAAEBAQADAAEABAAFAAoBABAAAAAAAAAADwECAINCAAAACgAAACYGDwAKAP////8BAAAAAAAcAAAA+wIUAAkAAAAAALwCAAAAhgECAiJTeXN0ZW0AAIMIiiUAAAoABgAAABEwZgaDCIolOwhEdwQAAAAtAQEABAAAAPABAAADAAAAAAA=,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,eqWmf183GmgAAAAAAAKABgAECCQAAAAAzXgEACQAAAzEBAAACAI4AAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADAKAAaABCwAAACYGDwAMAE1hdGhUeXBlAAAgABIAAAAmBg8AGgD/////AAAQAAAAwP///+X///9gAQAAZQEAAAUAAAAJAgAAAAIFAAAAFAJAAUUAHAAAAPsCgP4AAAAAAACQAQEAAAAAAgAQVGltZXMgTmV3IFJvbWFuAIjSzwBj6UN3kJBJdzsIRHcEAAAALQEAAAkAAAAyCgAAAAABAAAARAAAA44AAAAmBg8AEgFBcHBzTUZDQwEA6wAAAOsAAABEZXNpZ24gU2NpZW5jZSwgSW5jLgAFAQAHBERTTVQ3AAETV2luQWxsQmFzaWNDb2RlUGFnZXMAEQVUaW1lcyBOZXcgUm9tYW4AEQNTeW1ib2wAEQVDb3VyaWVyIE5ldwARBE1UIEV4dHJhABNXaW5BbGxDb2RlUGFnZXMAEQbLzszlABIACCEvJ/JfIY8hL0dfQVDyHx5BUPQVD0EA9EX0JfSPQl9BAPQQD0NfQQDyHyCl8gol9I8h9BAPQQD0D0j0F/SPQQDyGl9EX0X0X0X0X0EPDAEAAQABAgICAgACAAEBAQADAAEABAAFAAoBABAAAAAAAAAADwECAINEAAAACgAAACYGDwAKAP////8BAAAAAAAcAAAA+wIUAAkAAAAAALwCAAAAhgECAiJTeXN0ZW0AAIMIiiUAAAoABgAAACAwZoqDCIolOwhEdwQAAAAtAQEABAAAAPABAAADAAAAAAA=.page number 1

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