河南驻马店市上蔡县2026-2027学年九年级上学期11月期中数学试题

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九年级期中试卷

数  学

注意事项:

1.本试卷共6页,满分130分,考试时间110分钟.

2.本试卷上不要答题,请按答题卡上注意事项的要求直接把答案填写在答题卡上.答在试卷上的答案无效.

一、选择题(每小题3分,共30分)

1.下列二次根式属于最简二次根式的是(     )

A.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 B.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 C.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 D.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

2.下列四条线段是成比例线段的是(     )

A.1,1,2,3 B.1,2,3,4

C.2,3,4,5 D.2,2,3,3

3.“双碳”背景下,我国新能源汽车保有量已处于世界第一,随着消费人群不断增多,某款新能源汽车销售量持续增长.假设月销售量的增长率一致,且第三个月的销售量是第一个月的2倍.设第一个月的销售量为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辆,月销售量的增长率为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,则可列方程为(     )

A.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 B.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

C.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 D.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

4.若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,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是一元二次方程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的两个实数根,则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的值是(     )

A.2024 B.2026 C.2028 D.4052

5.如图,已知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,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,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,eqWmf183GmgAAAAAAAGAFwAECCQAAAACzWgEACQAAA6IBAAACAJkAAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADALAAWAFCwAAACYGDwAMAE1hdGhUeXBlAAAwABIAAAAmBg8AGgD/////AAAQAAAAwP///8X///8gBQAAhQEAAAUAAAAJAgAAAAIFAAAAFAJgAa4DHAAAAPsCgP4AAAAAAACQAQAAAAAAAgAQVGltZXMgTmV3IFJvbWFuAIjSzwBj6UN3kJBJdzsIRHcEAAAALQEAAAoAAAAyCgAAAAACAAAAMTDAAAADBQAAABQCYAFFABwAAAD7AoD+AAAAAAAAkAEBAAAAAAIAEFRpbWVzIE5ldyBSb21hbgCI0s8AY+lDd5CQSXc7CER3BAAAAC0BAQAEAAAA8AEAAAoAAAAyCgAAAAACAAAAQkPrAAADBQAAABQCYAGhAhwAAAD7AoD+AAAAAAAAkAEAAAABAAIAEFN5bWJvbAB3dr5Fd0AAAACI0s8AY+lDd5CQSXc7CER3BAAAAC0BAAAEAAAA8AEBAAkAAAAyCgAAAAABAAAAPQAAA5kAAAAmBg8AJwFBcHBzTUZDQwEAAAEAAAABAABEZXNpZ24gU2NpZW5jZSwgSW5jLgAFAQAHBERTTVQ3AAETV2luQWxsQmFzaWNDb2RlUGFnZXMAEQVUaW1lcyBOZXcgUm9tYW4AEQNTeW1ib2wAEQVDb3VyaWVyIE5ldwARBE1UIEV4dHJhABNXaW5BbGxDb2RlUGFnZXMAEQbLzszlABIACCEvJ/JfIY8hL0dfQVDyHx5BUPQVD0EA9EX0JfSPQl9BAPQQD0NfQQDyHyCl8gol9I8h9BAPQQD0D0j0F/SPQQDyGl9EX0X0X0X0X0EPDAEAAQABAgICAgACAAEBAQADAAEABAAFAAoBABAAAAAAAAAADwECAINCAAIAg0MAAgSGPQA9AgCIMQACAIgwAAAABAoAAAAmBg8ACgD/////AQAAAAAAHAAAAPsCFAAJAAAAAAC8AgAAAIYBAgIiU3lzdGVtAHeDCIolAAAKAAYAAAC9G2YVgwiKJTsIRHcEAAAALQEBAAQAAADwAQAAAwAAAAAA.将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    )

A. B.

C. D.

6.如图,在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中,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,点eqWmf183GmgAAAAAAAKABwAEECQAAAAB1XgEACQAAAzEBAAACAI4AAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADALAAaABCwAAACYGDwAMAE1hdGhUeXBlAAAwABIAAAAmBg8AGgD/////AAAQAAAAwP///8X///9gAQAAhQEAAAUAAAAJAgAAAAIFAAAAFAJgAS0AHAAAAPsCgP4AAAAAAACQAQEAAAAAAgAQVGltZXMgTmV3IFJvbWFuAIjSzwBj6UN3kJBJdzsIRHcEAAAALQEAAAkAAAAyCgAAAAABAAAARwAAA44AAAAmBg8AEgFBcHBzTUZDQwEA6wAAAOsAAABEZXNpZ24gU2NpZW5jZSwgSW5jLgAFAQAHBERTTVQ3AAETV2luQWxsQmFzaWNDb2RlUGFnZXMAEQVUaW1lcyBOZXcgUm9tYW4AEQNTeW1ib2wAEQVDb3VyaWVyIE5ldwARBE1UIEV4dHJhABNXaW5BbGxDb2RlUGFnZXMAEQbLzszlABIACCEvJ/JfIY8hL0dfQVDyHx5BUPQVD0EA9EX0JfSPQl9BAPQQD0NfQQDyHyCl8gol9I8h9BAPQQD0D0j0F/SPQQDyGl9EX0X0X0X0X0EPDAEAAQABAgICAgACAAEBAQADAAEABAAFAAoBABAAAAAAAAAADwECAINHAAAACgAAACYGDwAKAP////8BAAAAAAAcAAAA+wIUAAkAAAAAALwCAAAAhgECAiJTeXN0ZW0AAIMIiiUAAAoABgAAAKIbZtGDCIolOwhEdwQAAAAtAQEABAAAAPABAAADAAAAAAA=是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的重心,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    )page number 0

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A.8 B.4 C.6 D.2

7.已知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为锐角,且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,则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等于(     )

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8.如图,在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中,为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上一点,连结,,且,交于点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,,若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,则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    )

A. B. C. D.

9.如图,两条直线被三条平行线所截,若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,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,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,则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(     )

A.9 B.3 C.12 D.18

10.如图,在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中,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,,点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从开始沿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边向点以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的速度移动,点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从点开始沿边向点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以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的速度移动,如果,分别从,同时出发,经过时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与eqWmf183GmgAAAAAAAGAEwAECCQAAAACzWwEACQAAA24BAAACAJYAAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADALAAWAECwAAACYGDwAMAE1hdGhUeXBlAAAwABIAAAAmBg8AGgD/////AAAQAAAAwP///8X///8gBAAAhQEAAAUAAAAJAgAAAAIFAAAAFAJgATIAHAAAAPsCgP4AAAAAAACQAQAAAKEAAgAQVGltZXMgTmV3IFJvbWFuAIjSzwBj6UN3kJBJdzsIRHcEAAAALQEAAAkAAAAyCgAAAAABAAAAxAAAAwUAAAAUAmABJwEcAAAA+wKA/gAAAAAAAJABAQAAAAACABBUaW1lcyBOZXcgUm9tYW4AiNLPAGPpQ3eQkEl3OwhEdwQAAAAtAQEABAAAAPABAAAMAAAAMgoAAAAAAwAAAEFCQwDrAOsAAAOWAAAAJgYPACEBQXBwc01GQ0MBAPoAAAD6AAAARGVzaWduIFNjaWVuY2UsIEluYy4ABQEABwREU01UNwABE1dpbkFsbEJhc2ljQ29kZVBhZ2VzABEFVGltZXMgTmV3IFJvbWFuABEDU3ltYm9sABEFQ291cmllciBOZXcAEQRNVCBFeHRyYQATV2luQWxsQ29kZVBhZ2VzABEGy87M5QASAAghLyfyXyGPIS9HX0FQ8h8eQVD0FQ9BAPRF9CX0j0JfQQD0EA9DX0EA8h8gpfIKJfSPIfQQD0EA9A9I9Bf0j0EA8hpfRF9F9F9F9F9BDwwBAAEAAQICAgIAAgABAQEAAwABAAQABQAKAQAQAAAAAAAAAA8BAgCBlAMCAINBAAIAg0IAAgCDQwAAAAAKAAAAJgYPAAoA/////wEAAAAAABwAAAD7AhQACQAAAAAAvAIAAACGAQICIlN5c3RlbQB3gwiKJQAACgAGAAAAvRtmEIMIiiU7CER3BAAAAC0BAAAEAAAA8AEBAAMAAAAAAA==相似,那么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的值为(     )

A. B.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或 C. D.或page number 1

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二、填空题(每小题3分,共15分)

11.若式子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有意义,则实数的值可以为__________.(填一个符合要求的eqWmf183GmgAAAAAAAEABYAEDCQAAAAAyXgEACQAAAzEBAAACAI4AAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADAJgAUABCwAAACYGDwAMAE1hdGhUeXBlAAAwABIAAAAmBg8AGgD/////AAAQAAAAwP///yUAAAAAAQAAhQEAAAUAAAAJAgAAAAIFAAAAFAIAAU4AHAAAAPsCgP4AAAAAAACQAQEAAAAAAgAQVGltZXMgTmV3IFJvbWFuAIjSzwBj6UN3kJBJdzsIRHcEAAAALQEAAAkAAAAyCgAAAAABAAAAeHkAA44AAAAmBg8AEgFBcHBzTUZDQwEA6wAAAOsAAABEZXNpZ24gU2NpZW5jZSwgSW5jLgAFAQAHBERTTVQ3AAETV2luQWxsQmFzaWNDb2RlUGFnZXMAEQVUaW1lcyBOZXcgUm9tYW4AEQNTeW1ib2wAEQVDb3VyaWVyIE5ldwARBE1UIEV4dHJhABNXaW5BbGxDb2RlUGFnZXMAEQbLzszlABIACCEvJ/JfIY8hL0dfQVDyHx5BUPQVD0EA9EX0JfSPQl9BAPQQD0NfQQDyHyCl8gol9I8h9BAPQQD0D0j0F/SPQQDyGl9EX0X0X0X0X0EPDAEAAQABAgICAgACAAEBAQADAAEABAAFAAoBABAAAAAAAAAADwECAIN4AAAACgAAACYGDwAKAP////8BAAAAAAAcAAAA+wIUAAkAAAAAALwCAAAAhgECAiJTeXN0ZW0AAIMIiiUAAAoABgAAAHQcZjSDCIolOwhEdwQAAAAtAQEABAAAAPABAAADAAAAAAA=的值即可)

12.若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,则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的值是__________.

13.如图,在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中,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,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,,,分别为,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,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的中点.若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,则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的长度为__________.

14.已知关于的一元二次方程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有两个不相等的实数根,则eqWmf183GmgAAAAAAAKABYAECCQAAAADTXgEACQAAAzEBAAACAI4AAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADAJgAaABCwAAACYGDwAMAE1hdGhUeXBlAAAwABIAAAAmBg8AGgD/////AAAQAAAAwP///yUAAABgAQAAhQEAAAUAAAAJAgAAAAIFAAAAFAIAATYAHAAAAPsCgP4AAAAAAACQAQEAAAAAAgAQVGltZXMgTmV3IFJvbWFuAIjSzwBj6UN3kJBJdzsIRHcEAAAALQEAAAkAAAAyCgAAAAABAAAAbQAAA44AAAAmBg8AEgFBcHBzTUZDQwEA6wAAAOsAAABEZXNpZ24gU2NpZW5jZSwgSW5jLgAFAQAHBERTTVQ3AAETV2luQWxsQmFzaWNDb2RlUGFnZXMAEQVUaW1lcyBOZXcgUm9tYW4AEQNTeW1ib2wAEQVDb3VyaWVyIE5ldwARBE1UIEV4dHJhABNXaW5BbGxDb2RlUGFnZXMAEQbLzszlABIACCEvJ/JfIY8hL0dfQVDyHx5BUPQVD0EA9EX0JfSPQl9BAPQQD0NfQQDyHyCl8gol9I8h9BAPQQD0D0j0F/SPQQDyGl9EX0X0X0X0X0EPDAEAAQABAgICAgACAAEBAQADAAEABAAFAAoBABAAAAAAAAAADwECAINtAAAACgAAACYGDwAKAP////8BAAAAAAAcAAAA+wIUAAkAAAAAALwCAAAAhgECAiJTeXN0ZW0AAIMIiiUAAAoABgAAADocZh2DCIolOwhEdwQAAAAtAQEABAAAAPABAAADAAAAAAA=的取值范围为__________.

15.如图,在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中,eqWmf183GmgAAAAAAAAAHwAEBCQAAAADQWAEACQAAA6YBAAACAJsAAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADALAAQAHCwAAACYGDwAMAE1hdGhUeXBlAAAwABIAAAAmBg8AGgD/////AAAQAAAAwP///8X////ABgAAhQEAAAUAAAAJAgAAAAIFAAAAFAJgAewDHAAAAPsCgP4AAAAAAACQAQAAAAAAAgAQVGltZXMgTmV3IFJvbWFuAIjSzwBj6UN3kJBJdzsIRHcEAAAALQEAAAkAAAAyCgAAAAABAAAAMgAAAwUAAAAUAmABWAAcAAAA+wKA/gAAAAAAAJABAQAAAAACABBUaW1lcyBOZXcgUm9tYW4AiNLPAGPpQ3eQkEl3OwhEdwQAAAAtAQEABAAAAPABAAANAAAAMgoAAAAABAAAAEFEQ0TrAGYD/gAAAwUAAAAUAmABvgIcAAAA+wKA/gAAAAAAAJABAAAAAQACABBTeW1ib2wAd3a+RXdAAAAAiNLPAGPpQ3eQkEl3OwhEdwQAAAAtAQAABAAAAPABAQAJAAAAMgoAAAAAAQAAAD0AAAObAAAAJgYPACwBQXBwc01GQ0MBAAUBAAAFAQAARGVzaWduIFNjaWVuY2UsIEluYy4ABQEABwREU01UNwABE1dpbkFsbEJhc2ljQ29kZVBhZ2VzABEFVGltZXMgTmV3IFJvbWFuABEDU3ltYm9sABEFQ291cmllciBOZXcAEQRNVCBFeHRyYQATV2luQWxsQ29kZVBhZ2VzABEGy87M5QASAAghLyfyXyGPIS9HX0FQ8h8eQVD0FQ9BAPRF9CX0j0JfQQD0EA9DX0EA8h8gpfIKJfSPIfQQD0EA9A9I9Bf0j0EA8hpfRF9F9F9F9F9BDwwBAAEAAQICAgIAAgABAQEAAwABAAQABQAKAQAQAAAAAAAAAA8BAgCDQQACAINEAAIEhj0APQIAiDIAAgCDQwACAINEAAAACgAAACYGDwAKAP////8BAAAAAAAcAAAA+wIUAAkAAAAAALwCAAAAhgECAiJTeXN0ZW0Ad4MIiiUAAAoABgAAAEAcZnCDCIolOwhEdwQAAAAtAQEABAAAAPABAAADAAAAAAA=,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,则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的值为__________.

三、解答题(本大题共9个小题,共85分)

16.(每题5分,共10分)计算:

(1)eqWmf183GmgAAAAAAAKAQQAIACQAAAADxTAEACQAAAxIDAAAHANMAAAAAAAUAAAACAQEAAAAFAAAAAQL///8ABQAAAC4BGQAAAAUAAAALAgAAAAAFAAAADAJAAqAQCwAAACYGDwAMAE1hdGhUeXBlAABAABIAAAAmBg8AGgD/////AAAQAAAAwP///7n///9gEAAA+QEAAAgAAAD6AgAAAAAAAAAAAAIEAAAALQEAAAUAAAAUAmIBQwAFAAAAEwJMAWoABQAAABMC5QHHAAUAAAATAlAALQEFAAAAEwJQAAMCBwAAAPwCAAAAAAACAAAEAAAALQEBAAgAAAD6AgUAAQAAAAAAAAAEAAAALQECABoAAAAkAwsAQABdAXUAQAHIAL0BJgFHAAMCRwADAloANAFaANEA5QG+AOUBYABYAUYAaAEEAAAALQEAAAUAAAAUAl8BYgMFAAAAEwJKAYoDBQAAABMC4AHmAwUAAAATAlAATAQFAAAAEwJQACsFBAAAAC0BAgAaAAAAJAMLAF8DWgGUAz0B5wO4AUUERwArBUcAKwVaAFMEWgDwA+AB3QPgAYADVwFlA2UBBAAAAC0BAAAFAAAAFAJiAacGBQAAABMCTAHOBgUAAAATAuUBKwcFAAAAEwJQAJEHBQAAABMCUAAwCQQAAAAtAQIAGgAAACQDCwCkBl0B2QZAASwHvQGKB0cAMAlHADAJWgCYB1oANQflASIH5QHEBlgBqgZoAQQAAAAtAQAABQAAABQCYgGwCgUAAAATAkwB1woFAAAAEwLlATQLBQAAABMCUACaCwUAAAATAlAADg0EAAAALQECABoAAAAkAwsArQpdAeIKQAE1C70BkwtHAA4NRwAODVoAoQtaAD4L5QErC+UBzQpYAbMKaAEEAAAALQEAAAUAAAAUAmIBig4FAAAAEwJMAbEOBQAAABMC5QEODwUAAAATAlAAdA8FAAAAEwJQAEoQBAAAAC0BAgAaAAAAJAMLAIcOXQG8DkABDw+9AW0PRwBKEEcAShBaAHsPWgAYD+UBBQ/lAacOWAGNDmgBBAAAAC0BAAAFAAAACQIAAAACBQAAABQCwAE2ARwAAAD7AoD+AAAAAAAAkAEAAAAAAAIAEFRpbWVzIE5ldyBSb21hbgCI0s8AY+lDd5CQSXc7CER3BAAAAC0BAwASAAAAMgoAAAAABwAAADYyMjcxODYAIwNFA8AAKAPAADcDAAMFAAAAFALAAUoCHAAAAPsCgP4AAAAAAACQAQAAAAEAAgAQU3ltYm9sAHd2vkV3QAAAAIjSzwBj6UN3kJBJdzsIRHcEAAAALQEEAAQAAADwAQMADQAAADIKAAAAAAQAAAC0LSu4NgMFBN4DAAPTAAAAJgYPAJwBQXBwc01GQ0MBAHUBAAB1AQAARGVzaWduIFNjaWVuY2UsIEluYy4ABQEABwREU01UNwABE1dpbkFsbEJhc2ljQ29kZVBhZ2VzABEFVGltZXMgTmV3IFJvbWFuABEDU3ltYm9sABEFQ291cmllciBOZXcAEQRNVCBFeHRyYQATV2luQWxsQ29kZVBhZ2VzABEGy87M5QASAAghLyfyXyGPIS9HX0FQ8h8eQVD0FQ9BAPRF9CX0j0JfQQD0EA9DX0EA8h8gpfIKJfSPIfQQD0EA9A9I9Bf0j0EA8hpfRF9F9F9F9F9BDwwBAAEAAQICAgIAAgABAQEAAwABAAQABQAKAQAQAAAAAAAAAA8BAwAKAAAPAAEADwECAIg2AAALAQEACgIEhtcAtAMACgAADwABAA8BAgCIMgAACwEBAAoCBIYSIi0DAAoAAA8AAQAPAQIAiDIAAgCINwAACwEBAAoCBIYrACsDAAoAAA8AAQAPAQIAiDEAAgCIOAAACwEBAAoCBIb3ALgDAAoAAA8AAQAPAQIAiDYAAAsBAQAAAAoAAAAmBg8ACgD/////AQAAAAAACAAAAPoCAAAAAAAAAAAAAAQAAAAtAQMABwAAAPwCAAAAAAAAAAAEAAAALQEFABwAAAD7AhQACQAAAAAAvAIAAACGAQICIlN5c3RlbQAAgwiKJQAACgAGAAAAeRxmQIMIiiU7CER3BAAAAC0BBgAEAAAA8AEEAAMAAAAAAA==

(2)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

17.(8分)阅读材料,并解答问题:

佳佳解一元二次方程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的过程如下:

解: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,···················①

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,···················②

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,···················③page number 2

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