(1)计算:(13)-1+16÷(?2)3+(2005?π3)0?3tan60°.(2)已知实数a满足a2+2a-8=0,求1a+1?a+3a2?1×a
(1)计算:(13)-1+16÷(?2)3+(2005?π3)0?3tan60°.(2)已知实数a满足a2+2a-8=0,求1a+1?a+3a2?1×a2?2a+1a2+...
(1)计算:(13)-1+16÷(?2)3+(2005?π3)0?3tan60°.(2)已知实数a满足a2+2a-8=0,求1a+1?a+3a2?1×a2?2a+1a2+4a+3的值.
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