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歡迎您訪問數學考題練習:若代數式+2x的值不大于代數式8-的值,則x的!

數學考題練習:若代數式+2x的值不大于代數式8-的值,則x的

更新時間:2024-01-12 16:25:04作者:貝語網校

若代數式+2x的值不大于代數式8-的值,則x的最大整數值是________.

試題答案

3

試題解析

根據題意得到不等式+2x≤8-,根據不等式的性質求出不等式的解集即可.

解答:根據題意得:+2x≤8-,

去分母得:1+8x≤32-2x,

移項、合并同類項得:10x≤31,

∴x≤3.1,

x的最大整數值是3.

故答案為:3.

點評:本題主要考查對不等式的性質,解一元一次不等式,一元一次不等式的整數解等知識點的理解和掌握,能根據題意得到不等式+2x≤8-是解此題的關鍵.

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