实数x取哪些整数时,不等式2x-1>x+1与x-1≤7-x都成立? 答案:【答案】3,4.【解析】首先两个不等式进行求解,可以得到解集分别为x>2、x≤4;求出两个解集的公共部分,即为不等式组的解集.再在解集范围内确定整数解,即可完成解答.解:解不等式组解不等式①,得x>2,解不等式②,得x≤4.所以不等式组的解集为2<x≤4.所以x可取的整数值是3,4.故答案为:3, 4 .?What will you do with the money?
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