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所属成套资源:七年级数学上学期期中模拟考试试题及答案(含答题卡)
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期中模拟卷(福建)2023-2024学年七年级数学上学期期中模拟考试试题及答案(含答题卡)
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这是一份期中模拟卷(福建)2023-2024学年七年级数学上学期期中模拟考试试题及答案(含答题卡),文件包含期中模拟卷全解全析docx、期中模拟卷考试版测试范围人教版第1-2章A4版docx、期中模拟卷参考答案docx、期中模拟卷考试版测试范围人教版第1-2章A3版docx、期中模拟卷答题卡A3版docx等5份试卷配套教学资源,其中试卷共28页, 欢迎下载使用。
2023-2024学年上学期期中模拟考试七年级数学一、选择题:(本题共10小题,每小题4分,共40分)。12345678910BBCCBACCDB二、填空题:(本题共6小题,每小题4分,共24分)。11.5 12.0.060 13.414. 15. 16.1﹣三、解答题:(本题共9小题,共86分。其中:17-21每题8分,22-23每题10分,24题12分,25题14分)。17.【解析】(1)40+×12=40+×12﹣×12+×12=40+2﹣8+9=43;································································4分(2)(﹣1)2021+|﹣9|×+(﹣3)÷=(﹣1)+9×+(﹣3)×5=(﹣1)+6+(﹣15)=﹣10.······························································8分18. 【解析】(1)原式;···························································4分(2)原式.···················································8分19.【解析】∵,,,∴将各数在数轴上表示如下:∴.····························8分20.【解析】原式====;·······················································4分∵,∴,解得:,···················································6分∴原式=.············8分21.【解析】(1)∵,,∴;····················································3分(2)∵,,∴;···5分(3)∵的值与y的取值无关,∴,∴,∴.····························8分22.【解析】(1)数轴上表示4和1的两点之间的距离是,表示和2的两点之间的距离是;····························1分(2)数轴上表示a和3的两点之间的距离表示为,数轴上表示a和的两点之间的距离表示为;···········2分(3)∵数轴上表示a和的两点之间的距离是5,∴,解得:或;···············································3分(4)∵数轴上表示a的点位于与2之间,∴,∴;································5分(5)当时,,解得:;当时,,无解;当时,,解得:;故a的值为或;················································8分(6)表示数轴上与,2和7的距离之和,∴当时,的值最小,最小值为.···················10分23.【解析】(1)∵,∴A站是树兜站;···············································5分(2),千米.答:小王志愿服务期间乘坐地铁行进的总路程约是48千米.··············10分24. 【解析】(1),,故答案为:11,22.·················································4分(2).故答案为:.·················································7分(3)∵,∴,∴,又,∵,∴.··································12分25.【解析】(1)∵(a+10)2+|b﹣2|=0.∴a+10=0且b﹣2=0,∴a=﹣10,b=2;·················································2分(2)①∵动点P、Q分别同时从A、C出发,分别以每秒6个单位和3个单位的速度,时间是t,∴AP=6t,CQ=3t,∵M为AP的中点,N在CQ上,且CN=CQ,∴AM=AP=3t,CN=CQ=t,∵点A表示的数是﹣10,C表示的数是6,∴M表示的数是﹣10+3t,N表示的数是6+t;··························8分②∵OM=|﹣10+3t|,BN=BC+CN=6﹣2+t=4+t,OM=2BN,∴|﹣10+3t|=2(4+t)=8+2t,由﹣10+3t=8+2t,得t=18,由﹣10+3t=﹣(8+2t),得t=,故当t=18秒或t=秒时OM=2BN.································14分
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