挑战习题
1/5单选题
难度:

1.

与直线关于轴对称的直线的方程为(       )


A

B

C

D

提示1:
PHA+55S75Zu+77yM5YCf5Yqp5Zu+5b2i5YiG5p6QPC9wPg==
提示2:
PHA+5omA5rGC55u057q/5LiOPGltZyBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0FBLzI5L3JCQUNGRlRJbWh5aF9GT3lBQUFCQ2lyQVk2WTg5MC5wbmciIGRhdGEtY2tlLXNhdmVkLXNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvQUEvMjkvckJBQ0ZGVEltaHloX0ZPeUFBQUJDaXJBWTZZODkwLnBuZyIgaGVpZ2h0PSIxNSIgd2lkdGg9IjEzIj7ovbTnmoTkuqTngrnkuI3lj5g8L3A+
提示3:
PHA+5YW25pac546H5Li65Y6f55u057q/55qE55u45Y+N5pWwPC9wPg==
正确答案:QQ==
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