贵州省铜仁市2024-2025学年下学期八年级期末数学试卷

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铜仁市2025年7月八年级教学质量监测

数 学

同学你好!答题前请认真阅读以下内容:

1.全卷共6页,三个大题,共25小题,满分150分.考试时间为120分钟.考试形式闭卷.

2.一律在答题卡相应位置作答,在试题卷上答题视为无效.

3.不能使用计算器.

一、选择题(每小题3分,共36分)

1.苗绣是贵州刺绣的典型代表,既是苗族妇女心象的写照,更是她们以情感浇筑而成的艺术结晶.下列苗绣图案中既是中心对称图形又是轴对称图形的是(     )

A. B. C. D.

2.不等式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的解集在数轴上表示正确的是(     )

A. B.

C. D.

3.梵净山是“贵州第一名山”,国家AAAAA级旅游景区,是中国十大避暑名山之一,现对该景区7月1~10日每天的最高温度进行了统计,根据图中信息可知这10天中适宜户外爬山(温度在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以下,不含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)的天数的频率是(     )


A. B. C. D.

4.红腹角雉栖息于梵净山海拔1500米以上的山林中,属于国家二级重点保护动物,如图是保护红腹角雉宣传牌上利用网格画出的红腹角雉的示意图.若建立适当的平面直角坐标系,表示腹部点的坐标为eqWmf183GmgAAAAAAACAEgAIBCQAAAACwWAEACQAAA94BAAACAKIAAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADAKAAiAECwAAACYGDwAMAE1hdGhUeXBlAABwABIAAAAmBg8AGgD/////AAAQAAAAwP///6f////gAwAAJwIAAAUAAAAJAgAAAAIFAAAAFAK4ATIAHAAAAPsCC/7lAAAAAACQAQAAAAEAAgAQU3ltYm9sAHZbw4p2QAAAAODX3AL974h2iJCOdssOiXYEAAAALQEAAAkAAAAyCgAAAAABAAAAKAAAAAUAAAAUArgBZgMcAAAA+wIL/uUAAAAAAJABAAAAAQACABBTeW1ib2wAdlvDinZAAAAA4NfcAv3viHaIkI52yw6JdgQAAAAtAQEABAAAAPABAAAJAAAAMgoAAAAAAQAAACkAAAAFAAAAFAKgAaMBHAAAAPsCgP4AAAAAAACQAQAAAAAAAgAQVGltZXMgTmV3IFJvbWFuAHjU3AL974h2iJCOdssOiXYEAAAALQEAAAQAAADwAQEADAAAADIKAAAAAAMAAAAxLDEAoABoAAADBQAAABQCoAHQABwAAAD7AoD+AAAAAAAAkAEAAAABAAIAEFN5bWJvbAB2W8OKdkAAAAB41NwC/e+IdoiQjnbLDol2BAAAAC0BAQAEAAAA8AEAAAkAAAAyCgAAAAABAAAALQAAA6IAAAAmBg8AOQFBcHBzTUZDQwEAEgEAABIBAABEZXNpZ24gU2NpZW5jZSwgSW5jLgAFAQAHBERTTVQ3AAETV2luQWxsQmFzaWNDb2RlUGFnZXMAEQVUaW1lcyBOZXcgUm9tYW4AEQNTeW1ib2wAEQVDb3VyaWVyIE5ldwARBE1UIEV4dHJhABNXaW5BbGxDb2RlUGFnZXMAEQbLzszlABIACCEvJ/JfIY8hL0dfQVDyHx5BUPQVD0EA9EX0JfSPQl9BAPQQD0NfQQDyHyCl8gol9I8h9BAPQQD0D0j0F/SPQQDyGl9EX0X0X0X0X0EPDAEAAQABAgICAgACAAEBAQADAAEABAAFAAoBABAAAAAAAAAADwEDAAEDAA8AAQAPAQIEhhIiLQIAiDEAAgCCLAACAIgxAAACAJYoAAIAlikAAAAAAAoAAAAmBg8ACgD/////AQAAAAAAHAAAAPsCFAAJAAAAAAC8AgAAAIYBAgIiU3lzdGVtAHaJCIoaAAAKAAYAAAALI2bCiQiKGssOiXYEAAAALQEAAAQAAADwAQEAAwAAAAAA,表示尾部点的坐标为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,则表示足部点的坐标为(     )page number 0

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5.下列函数中,函数值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随自变量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增大而增大的是(     )

A.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 B.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 C.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 D.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

6.将五边形纸片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剪去一个角,得到一个新的多边形,则新多边形的外角和与原五边形的外角和相比较,下列结论正确的是(     )

A.变大 B.变小 C.不变 D.无法确定

7.如果把分式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中的eqWmf183GmgAAAAAAAEABYAEDCQAAAAAyXgEACQAAAzEBAAACAI4AAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADAJgAUABCwAAACYGDwAMAE1hdGhUeXBlAAAwABIAAAAmBg8AGgD/////AAAQAAAAwP///yUAAAAAAQAAhQEAAAUAAAAJAgAAAAIFAAAAFAIAAU4AHAAAAPsCgP4AAAAAAACQAQEAAAAAAgAQVGltZXMgTmV3IFJvbWFuAHjU3AL974h2iJCOdssOiXYEAAAALQEAAAkAAAAyCgAAAAABAAAAeAAAA44AAAAmBg8AEgFBcHBzTUZDQwEA6wAAAOsAAABEZXNpZ24gU2NpZW5jZSwgSW5jLgAFAQAHBERTTVQ3AAETV2luQWxsQmFzaWNDb2RlUGFnZXMAEQVUaW1lcyBOZXcgUm9tYW4AEQNTeW1ib2wAEQVDb3VyaWVyIE5ldwARBE1UIEV4dHJhABNXaW5BbGxDb2RlUGFnZXMAEQbLzszlABIACCEvJ/JfIY8hL0dfQVDyHx5BUPQVD0EA9EX0JfSPQl9BAPQQD0NfQQDyHyCl8gol9I8h9BAPQQD0D0j0F/SPQQDyGl9EX0X0X0X0X0EPDAEAAQABAgICAgACAAEBAQADAAEABAAFAAoBABAAAAAAAAAADwECAIN4AAAACgAAACYGDwAKAP////8BAAAAAAAcAAAA+wIUAAkAAAAAALwCAAAAhgECAiJTeXN0ZW0AAIkIihoAAAoABgAAADwjZuyJCIoayw6JdgQAAAAtAQEABAAAAPABAAADAAAAAAA=与eqWmf183GmgAAAAAAAGABoAECCQAAAADTXgEACQAAAzEBAAACAI4AAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADAKgAWABCwAAACYGDwAMAE1hdGhUeXBlAABQABIAAAAmBg8AGgD/////AAAQAAAAwP///yUAAAAgAQAAxQEAAAUAAAAJAgAAAAIFAAAAFAIAAWIAHAAAAPsCgP4AAAAAAACQAQEAAAAAAgAQVGltZXMgTmV3IFJvbWFuAHjU3AL974h2iJCOdssOiXYEAAAALQEAAAkAAAAyCgAAAAABAAAAeQAAA44AAAAmBg8AEgFBcHBzTUZDQwEA6wAAAOsAAABEZXNpZ24gU2NpZW5jZSwgSW5jLgAFAQAHBERTTVQ3AAETV2luQWxsQmFzaWNDb2RlUGFnZXMAEQVUaW1lcyBOZXcgUm9tYW4AEQNTeW1ib2wAEQVDb3VyaWVyIE5ldwARBE1UIEV4dHJhABNXaW5BbGxDb2RlUGFnZXMAEQbLzszlABIACCEvJ/JfIY8hL0dfQVDyHx5BUPQVD0EA9EX0JfSPQl9BAPQQD0NfQQDyHyCl8gol9I8h9BAPQQD0D0j0F/SPQQDyGl9EX0X0X0X0X0EPDAEAAQABAgICAgACAAEBAQADAAEABAAFAAoBABAAAAAAAAAADwECAIN5AAAACgAAACYGDwAKAP////8BAAAAAAAcAAAA+wIUAAkAAAAAALwCAAAAhgECAiJTeXN0ZW0AAIkIihoAAAoABgAAAEUjZlmJCIoayw6JdgQAAAAtAQEABAAAAPABAAADAAAAAAA=都扩大10倍,所得分式的值与原分式的值相比较,下列结论正确的是(     )

A.不变 B.扩大倍 C.扩大倍 D.缩小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

8.如图所示的是某款自动感应水龙头的示意图,在距离洗手台面的点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处连接着出水口eqWmf183GmgAAAAAAAKABgAECCQAAAAAzXgEACQAAAzEBAAACAI4AAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADAKAAaABCwAAACYGDwAMAE1hdGhUeXBlAAAgABIAAAAmBg8AGgD/////AAAQAAAAwP///+X///9gAQAAZQEAAAUAAAAJAgAAAAIFAAAAFAJAAUUAHAAAAPsCgP4AAAAAAACQAQEAAAAAAgAQVGltZXMgTmV3IFJvbWFuAHjU3AL974h2iJCOdssOiXYEAAAALQEAAAkAAAAyCgAAAAABAAAARAAAA44AAAAmBg8AEgFBcHBzTUZDQwEA6wAAAOsAAABEZXNpZ24gU2NpZW5jZSwgSW5jLgAFAQAHBERTTVQ3AAETV2luQWxsQmFzaWNDb2RlUGFnZXMAEQVUaW1lcyBOZXcgUm9tYW4AEQNTeW1ib2wAEQVDb3VyaWVyIE5ldwARBE1UIEV4dHJhABNXaW5BbGxDb2RlUGFnZXMAEQbLzszlABIACCEvJ/JfIY8hL0dfQVDyHx5BUPQVD0EA9EX0JfSPQl9BAPQQD0NfQQDyHyCl8gol9I8h9BAPQQD0D0j0F/SPQQDyGl9EX0X0X0X0X0EPDAEAAQABAgICAgACAAEBAQADAAEABAAFAAoBABAAAAAAAAAADwECAINEAAAACgAAACYGDwAKAP////8BAAAAAAAcAAAA+wIUAAkAAAAAALwCAAAAhgECAiJTeXN0ZW0AAIkIihoAAAoABgAAAG8jZn2JCIoayw6JdgQAAAAtAQEABAAAAPABAAADAAAAAAA=所在的水管,水管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上的点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处安装有红外线感应装置.已知出水口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到点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)


A. B. C. D.

9.小明同学按如下步骤作图:①在矩形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中,分别以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,eqWmf183GmgAAAAAAAKABgAECCQAAAAAzXgEACQAAAzEBAAACAI4AAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADAKAAaABCwAAACYGDwAMAE1hdGhUeXBlAAAgABIAAAAmBg8AGgD/////AAAQAAAAwP///+X///9gAQAAZQEAAAUAAAAJAgAAAAIFAAAAFAJAAUUAHAAAAPsCgP4AAAAAAACQAQEAAAAAAgAQVGltZXMgTmV3IFJvbWFuAHjU3AL974h2iJCOdssOiXYEAAAALQEAAAkAAAAyCgAAAAABAAAARAAAA44AAAAmBg8AEgFBcHBzTUZDQwEA6wAAAOsAAABEZXNpZ24gU2NpZW5jZSwgSW5jLgAFAQAHBERTTVQ3AAETV2luQWxsQmFzaWNDb2RlUGFnZXMAEQVUaW1lcyBOZXcgUm9tYW4AEQNTeW1ib2wAEQVDb3VyaWVyIE5ldwARBE1UIEV4dHJhABNXaW5BbGxDb2RlUGFnZXMAEQbLzszlABIACCEvJ/JfIY8hL0dfQVDyHx5BUPQVD0EA9EX0JfSPQl9BAPQQD0NfQQDyHyCl8gol9I8h9BAPQQD0D0j0F/SPQQDyGl9EX0X0X0X0X0EPDAEAAQABAgICAgACAAEBAQADAAEABAAFAAoBABAAAAAAAAAADwECAINEAAAACgAAACYGDwAKAP////8BAAAAAAAcAAAA+wIUAAkAAAAAALwCAAAAhgECAiJTeXN0ZW0AAIkIihoAAAoABgAAADUiZvCJCIoayw6JdgQAAAAtAQEABAAAAPABAAADAAAAAAA=为圆心,大于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的长为半径画弧,两弧交于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,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两点;②画直线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,分别与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,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交于点,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,连接,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.则四边形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一定是(     )


A.菱形 B.矩形 C.正方形 D.无法判断page number 1

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10.在同一平面直角坐标系中,函数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与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的图象可能是(     )

A. B. C. D.

11.如图,在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中,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,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平分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交eqWmf183GmgAAAAAAAKACwAEDCQAAAAByXQEACQAAAzUBAAACAJEAAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADALAAaACCwAAACYGDwAMAE1hdGhUeXBlAAAwABIAAAAmBg8AGgD/////AAAQAAAAwP///8X///9gAgAAhQEAAAUAAAAJAgAAAAIFAAAAFAJgAVgAHAAAAPsCgP4AAAAAAACQAQEAAAAAAgAQVGltZXMgTmV3IFJvbWFuAHjU3AL974h2iJCOdssOiXYEAAAALQEAAAoAAAAyCgAAAAACAAAAQUPrAAADkQAAACYGDwAXAUFwcHNNRkNDAQDwAAAA8AAAAERlc2lnbiBTY2llbmNlLCBJbmMuAAUBAAcERFNNVDcAARNXaW5BbGxCYXNpY0NvZGVQYWdlcwARBVRpbWVzIE5ldyBSb21hbgARA1N5bWJvbAARBUNvdXJpZXIgTmV3ABEETVQgRXh0cmEAE1dpbkFsbENvZGVQYWdlcwARBsvOzOUAEgAIIS8n8l8hjyEvR19BUPIfHkFQ9BUPQQD0RfQl9I9CX0EA9BAPQ19BAPIfIKXyCiX0jyH0EA9BAPQPSPQX9I9BAPIaX0RfRfRfRfRfQQ8MAQABAAECAgICAAIAAQEBAAMAAQAEAAUACgEAEAAAAAAAAAAPAQIAg0EAAgCDQwAAAAAKAAAAJgYPAAoA/////wEAAAAAABwAAAD7AhQACQAAAAAAvAIAAACGAQICIlN5c3RlbQAAiQiKGgAACgAGAAAAKCNmlokIihrLDol2BAAAAC0BAQAEAAAA8AEAAAMAAAAAAA==于eqWmf183GmgAAAAAAAKABgAECCQAAAAAzXgEACQAAAzEBAAACAI4A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的最小值是(     )


A.25 B.24 C.11 D.7

12.如图,在平面直角坐标系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中,点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,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分别在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,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轴的正半轴上运动,运动过程中始终保持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)


A.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 B.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 C.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 D.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

二、填空题(每小题4分,共16分)

13.若分式eqWmf183GmgAAAAAAAKAD4AMBCQAAAABQXgEACQAAAwcCAAAEAKgAAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADALgA6ADCwAAACYGDwAMAE1hdGhUeXBlAADAABIAAAAmBg8AGgD/////AAAQAAAAwP///7X///9gAwAAlQMAAAgAAAD6AgAAEAAAAAAAAAIEAAAALQEAAAUAAAAUAgACQAAFAAAAEwIAAlkDBQAAAAkCAAAAAgUAAAAUAnABVgAcAAAA+wKA/gAAAAAAAJABAAAAAAACABBUaW1lcyBOZXcgUm9tYW4AeNTcAv3viHaIkI52yw6JdgQAAAAtAQEADQAAADIKAAAAAAQAAAAyMDI1wADAAMAAAAMFAAAAFAKKA4QCHAAAAPsCgP4AAAAAAACQAQAAAAAAAgAQVGltZXMgTmV3IFJvbWFuAHjU3AL974h2iJCOdssOiXYEAAAALQECAAQAAADwAQEACQAAADIKAAAAAAEAAAAxAAADBQAAABQCigOOABwAAAD7AoD+AAAAAAAAkAEBAAAAAAIAEFRpbWVzIE5ldyBSb21hbgB41NwC/e+IdoiQjnbLDol2BAAAAC0BAQAEAAAA8AECAAkAAAAyCgAAAAABAAAAeAAAAwUAAAAUAooDiwEcAAAA+wKA/gAAAAAAAJABAAAAAQACABBTeW1ib2wAdlvDinZAAAAAeNTcAv3viHaIkI52yw6JdgQAAAAtAQIABAAAAPABAQAJAAAAMgoAAAAAAQAAAC0AAAOoAAAAJgYPAEUBQXBwc01GQ0MBAB4BAAAeAQAARGVzaWduIFNjaWVuY2UsIEluYy4ABQEABwREU01UNwABE1dpbkFsbEJhc2ljQ29kZVBhZ2VzABEFVGltZXMgTmV3IFJvbWFuABEDU3ltYm9sABEFQ291cmllciBOZXcAEQRNVCBFeHRyYQATV2luQWxsQ29kZVBhZ2VzABEGy87M5QASAAghLyfyXyGPIS9HX0FQ8h8eQVD0FQ9BAPRF9CX0j0JfQQD0EA9DX0EA8h8gpfIKJfSPIfQQD0EA9A9I9Bf0j0EA8hpfRF9F9F9F9F9BDwwBAAEAAQICAgIAAgABAQEAAwABAAQABQAKAQAQAAAAAAAAAA8BAwALAAAPAAEADwECAIgyAAIAiDAAAgCIMgACAIg1AAAPAAEADwECAIN4AAIEhhIiLQIAiDEAAAAAAAQKAAAAJgYPAAoA/////wEAAAAAAAgAAAD6AgAAAAAAAAAAAAAEAAAALQEBABwAAAD7AhQACQAAAAAAvAIAAACGAQICIlN5c3RlbQAAiQiKGgAACgAGAAAA+yJmPokIihrLDol2BAAAAC0BAwAEAAAA8AECAAMAAAAAAA==有意义,则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的取值范围是            .

14.如图,四边形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中,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于eqWmf183GmgAAAAAAAIABgAECCQAAAAATXgEACQAAAzEBAAACAI4AAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADAKAAYABCwAAACYGDwAMAE1hdGhUeXBlAAAgABIAAAAmBg8AGgD/////AAAQAAAAwP///+X///9AAQAAZQEAAAUAAAAJAgAAAAIFAAAAFAJAAUUAHAAAAPsCgP4AAAAAAACQAQEAAAAAAgAQVGltZXMgTmV3IFJvbWFuAHjU3AL974h2iJCOdssOiXYEAAAALQEAAAkAAAAyCgAAAAABAAAAQnkAA44AAAAmBg8AEgFBcHBzTUZDQwEA6wAAAOsAAABEZXNpZ24gU2NpZW5jZSwgSW5jLgAFAQAHBERTTVQ3AAETV2luQWxsQmFzaWNDb2RlUGFnZXMAEQVUaW1lcyBOZXcgUm9tYW4AEQNTeW1ib2wAEQVDb3VyaWVyIE5ldwARBE1UIEV4dHJhABNXaW5BbGxDb2RlUGFnZXMAEQbLzszlABIACCEvJ/JfIY8hL0dfQVDyHx5BUPQVD0EA9EX0JfSPQl9BAPQQD0NfQQDyHyCl8gol9I8h9BAPQQD0D0j0F/SPQQDyGl9EX0X0X0X0X0EPDAEAAQABAgICAgACAAEBAQADAAEABAAFAAoBABAAAAAAAAAADwECAINCAAAACgAAACYGDwAKAP////8BAAAAAAAcAAAA+wIUAAkAAAAAALwCAAAAhgECAiJTeXN0ZW0AAIkIihoAAAoABgAAAH8jZlOJCIoayw6JdgQAAAAtAQEABAAAAPABAAADAAAAAAA=,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于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,要使eqWmf183GmgAAAAAAAOAJwAEBCQAAAAAwVgEACQAAA94BAAACAKMAAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADALAAeAJCwAAACYGDwAMAE1hdGhUeXBlAAAwABIAAAAmBg8AGgD/////AAAQAAAAwP///8X///+gCQAAhQEAAAUAAAAJAgAAAAIFAAAAFAJgATIAHAAAAPsCgP4AAAAAAACQAQAAAKEAAgAQVGltZXMgTmV3IFJvbWFuAHjU3AL974h2iJCOdssOiXYEAAAALQEAAAkAAAAyCgAAAAABAAAAxABwBRwAAAD7AoD+AAAAAAAAkAEAAAChAAIAEFRpbWVzIE5ldyBSb21hbgB41NwC/e+IdoiQjnbLDol2BAAAAC0BAQAEAAAA8AEAAAkAAAAyCgAAAAABAAAAxAAAAwUAAAAUAmABJwEcAAAA+wKA/gAAAAAAAJABAQAAAAACABBUaW1lcyBOZXcgUm9tYW4AeNTcAv3viHaIkI52yw6JdgQAAAAtAQAABAAAAPABAQAQAAAAMgoAAAAABgAAAEFCRENEQusA6wCaA/4AFgEAAwUAAAAUAmABeAQcAAAA+wKA/gAAAAAAAJABAAAAAQACABBTeW1ib2wAdlvDinZAAAAAeNTcAv3viHaIkI52yw6JdgQAAAAtAQEABAAAAPABAAAJAAAAMgoAAAAAAQAAAEAAAAOjAAAAJgYPADsBQXBwc01GQ0MBABQBAAAUAQAARGVzaWduIFNjaWVuY2UsIEluYy4ABQEABwREU01UNwABE1dpbkFsbEJhc2ljQ29kZVBhZ2VzABEFVGltZXMgTmV3IFJvbWFuABEDU3ltYm9sABEFQ291cmllciBOZXcAEQRNVCBFeHRyYQATV2luQWxsQ29kZVBhZ2VzABEGy87M5QASAAghLyfyXyGPIS9HX0FQ8h8eQVD0FQ9BAPRF9CX0j0JfQQD0EA9DX0EA8h8gpfIKJfSPIfQQD0EA9A9I9Bf0j0EA8hpfRF9F9F9F9F9BDwwBAAEAAQICAgIAAgABAQEAAwABAAQABQAKAQAQAAAAAAAAAA8BAgCBlAMCAINBAAIAg0IAAgCDRAACBIZFIkACAIGUAwIAg0MAAgCDRAACAINCAAAAAAoAAAAmBg8ACgD/////AQAAAAAAHAAAAPsCFAAJAAAAAAC8AgAAAIYBAgIiU3lzdGVtAHaJCIoaAAAKAAYAAAA/I2aLiQiKGssOiXYEAAAALQEAAAQAAADwAQEAAwAAAAAA,应补充的条件是            (填一个即可).

15.如图,直线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和直线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相交于点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,不等式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的解集是            .page number 2

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