挑战习题
1/5单选题
难度:

1.

下列去括号正确的是(      )


A

B

C

D

提示1:
PHA+5aaC5p6c5ous5Y+35aSW55qE5Zug5pWw5piv5q2j5pWw77yM5Y675ous5Y+35ZCO5Y6f5ous5Y+35YaF5ZCE6aG555qE56ym5Y+35LiO5Y6f5p2l55qE56ym5Y+355u45ZCMPC9wPg==
提示2:
PHA+5aaC5p6c5ous5Y+35aSW55qE5Zug5pWw5piv6LSf5pWw77yM5Y675ous5Y+35ZCO5Y6f5ous5Y+35YaF5ZCE6aG555qE56ym5Y+35LiO5Y6f5p2l55qE56ym5Y+355u45Y+NPC9wPg==
正确答案:Qg==
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