挑战习题
1/5单选题
难度:

1.

分解因式: (        )


A

B

C

D

提示1:
PHA+6YeH55So5YiG57uE5YiG6Kej5rOVPC9wPg==
提示2:
PHA+5Lit6Ze05Lik6aG56Jm956ym5ZCI5bmz5pa55beu5YWs5byP77yM5L2G5pCt6YWN5Zyo5LiA6LW35LiN6IO95YiG6Kej5Yiw5bqVPC9wPg==
提示3:
PHA+5bqU5oqK5ZCO5LiJ6aG557uT5ZCI5Zyo5LiA6LW377yM5YaN5bqU55So5a6M5YWo5bmz5pa55YWs5byP5ZKM5bmz5pa55beu5YWs5byPPC9wPg==
正确答案:QQ==
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