挑战习题
1/5单选题
难度:

1.

下列方程不是分式方程的为( )


A

B

C

D

提示1:
PHA+5YiG5byP5pa556iL55qE5a6a5LmJ77ya5YiG5q+N5ZCr5pyJ5pyq55+l5pWw55qE5pa556iL5Y+r5YiG5byP5pa556iLPGJyPjwvcD4=
正确答案:Qw==
PHA+6Kej562U77ya5qC55o2u5YiG5byP5pa556iL55qE5a6a5LmJ77yMQy48aW1nIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvNzMvMUQvckJBQ0UxVEltSVdTSjVkQ0FBQUNxeW1Zbk5jMzY2LnBuZyIgZGF0YS1ja2Utc2F2ZWQtc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC83My8xRC9yQkFDRTFUSW1JV1NKNWRDQUFBQ3F5bVluTmMzNjYucG5nIiBoZWlnaHQ9IjU2IiB3aWR0aD0iODAiPu+8jOWIhuavjeS4reS4jeWQq+acieacquefpeaVsO+8jOaJgOS7peS4jeaYr+WIhuW8j+aWueeoizxicj7mlYXpgIlDPC9wPg==