1已知6ec8aac122bd4f6ehttpwww7caieducn6ec8aac122bd4f6ehttpwww7caieducn06ec8aac122bd4f6ehttpwww7caieducn0求6ec8aac122bd4f6ehttpwww7caieducn的值2已知6ec8aac122bd4f6ehttpwww7caieducn求6ec8aac122bd4f6ehttpwww7caieducn的值1若解分式方程2xx1m1x2xx1x产生增根则m的值是5分式方程6ec8aac122bd4f6ehttpwww7caieducn有增根6ec8aac122bd4f6ehttpwww7caieducn则6ec8aac122bd4f6ehttpwww7caieducn712x12x27x531x42x53xx21x213x526ec8aac122bd4f6ehttpwww7caieducn8若关于x的方程xx2m1x22x1x1产生增根求m的值m为何值时关于x的方程2x2mxx243x2会产生增根10当m为何值时方程3x6x1xmxx10有解11已知方程6ec8aac122bd4f6ehttpwww7caieducn是否存在6ec8aac122bd4f6ehttpwww7caieducn的值使得方程无解若存在求出满足条件的6ec8aac122bd4f6ehttpwww7caieducn的值若不存在请说明理由366例2计算121计算1242先化简再求值其中五落实检测5513先化简再求值其中x42已知求的值2已知关于的方程有一个正数解求的取值范围12