问题描述：
Do you find this problem__?Yes,but we can;t find out the answer__ a.easy,easily B.easily,easy
Do you find this problem__?
Yes,but we can;t find out the answer__
a.easy,easily B.easily,easy C.easy,easy d.easily,easily
Do you find this problem__?
Yes,but we can;t find out the answer__
a.easy,easily B.easily,easy C.easy,easy d.easily,easily
问题解答：
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