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计算:(本题每小题4分,满分8分)
(1)求右式中x的值:4(x+1 =64
(2)
计算:(本题每小题4分,满分8分)(1)求右式中x的值:4(x+1=64 (2)
计算与化简:(15分,每小题5分)
(1)
(2) (a>0)
(3)( )