题目

x取哪些整数值时,不等式5x+2>3(x﹣1)与x≤2﹣都成立? 答案:【考点】C7:一元一次不等式的整数解. 【分析】根据题意分别求出每个不等式解集,根据口诀:大小小大中间找,确定两不等式解集的公共部分,即可得整数值. 【解答】解:根据题意解不等式组, 解不等式①,得:x>﹣, 解不等式②,得:x≤1, ∴﹣<x≤1, 故满足条件的整数有﹣2、﹣1、0、1---I wonder why Mr Green hasn't showed up at the meeting yet. ---I'm not sure, but he _______ in a traffic jam driving here. A. could be stuck             B. might stuck C. might have been stuck       D. must have stuck
数学 试题推荐