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高一期中数学|这套试卷刷透,搞定高一

  • 2026-11-08 20:52:28
高一期中数学|这套试卷刷透,搞定高一

高一期中数学|这套试卷刷透,搞定高一

今天给大家解析高一年级数学期中考试卷,这份试卷命题质量很高,既夯实课本基础,又融合新定义、函数同构、不等式最值、逻辑充分必要条件等高频考点,还有一道趣味结合生活情景的选择压轴,非常适合上海高一的同学自测查漏。

整套试卷考试时长100分钟,满分100分,题型分为填空题12道、选择题4道、解答题5道,


解答题五道层层递进。17题解含参一次不等式ax\ge b,必须分a>0,a=0,a<0三大类,a等于0里面还要再细分b的大小,很多同学会漏掉a=0的讨论,含参分类讨论是高一必备基本功。

18题充分条件、必要条件,\alpha,\beta两个范围,\alpha是\beta充分等价\alpha\Rightarrow\beta,也就是α集合是β集合子集;α是β必要条件即β⊆α。做这类题一定要画数轴,端点单独检验是否可取等号,等号取舍是扣分重灾区。

19题二次不等式解集A,第一小问解集为R,即二次恒大于等于0,开口向上,判别式≤0;第二小问证明不存在k,使得解集是空集,开口向上的二次函数,图像开口朝上,必然有x使得式子≥0,逻辑说理,锻炼证明表达。

20题分式不等式集合,第一小问代入m=8求交集;第二小问限定集合交集元素个数,求参数m集合,比较集合元素个数和2的大小,分式不等式要时刻注意分母不等于0,不要遗忘定义域限制。

21题整套试卷的压轴,全新定义“性质P”:集合元素≥2,任意两个不同元素a,b满足a^3-\dfrac14b\in M。第一小问检验给定三元集合是否满足性质,代入逐一验算;第二小问证明满足性质P的集合元素只能是2个,并且求两元素乘积。新定义题型,核心就是严格跟着题目给的规则,不断代入集合元素,利用集合元素互异性推导限制,这类题刚开始做会觉得陌生,多练几道就能掌握套路。

✅刷题建议:

1. 限时100分钟完整闭卷完成,模拟考场状态;
2. 做完以后,错题分类:计算失误、概念混淆(定义域值域、或且逻辑)、参数分类讨论漏情况、新定义读不懂;
3. 这份卷子里面的指对同构、曼哈顿距离、充分必要条件、含参不等式、集合新定义,都是高一期中高频,错题做好复盘。

高一数学千万不要只刷题不复盘,期中阶段把集合、不等式、指数对数这几块地基打牢,后面学习函数、幂指对函数会轻松很多。位育这套卷子难度贴合上海市重点高一期中水平,不管是用来自测,还是错题整理,都非常有价值。

原文高一期中数学|这套试卷刷透,搞定高一上半学期重难点
上海,3分钟前,
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0.099557s