题目

若分式的值为整数，则整数x的值为    ． 答案：3或5或±1 ． 【解答】解：原式===1+ ∴x﹣2=±1或±3 ∴x=3或5或±1 故答案为：3或5或±1第一次世界大战后，资本主义世界新秩序是通过什么体系确定下来的？它永远消除了帝国主义国家之间的矛盾吗？请以史实说明。 ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________