挑战习题
1/5单选题
难度:

1.

关于x的分式方程下列说法正确的是( )


A

方程的解是

B

时,方程的解是正数

C

时,方程的解为负数

D

无法确定

提示1:
PHA+5oyJ54Wn5LiA6Iis5q2l6aqk6Kej5pa556iLPC9wPg==
提示2:
PHA+55So5ZCr5pyJbeeahOS7o+aVsOW8j+ihqOekung8L3A+
提示3:
PHA+5qC55o2ueOeahOWPluWAvO+8jOmAkOS4gOmqjOivgTxicj48L3A+
正确答案:Qw==
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