题目内容
计算:
(1)2(a4)3+(﹣2a3)2(﹣a2)3+a2a10;
(2)
+(﹣3)0+(﹣0.2)2005×(﹣5)2004.
(1)2(a4)3+(﹣2a3)2(﹣a2)3+a2a10;
(2)
解:
(1)原式=2a12+4a6(﹣a6)+a12
=2a12﹣4a12+a12
=﹣a12
(2)原式=100+1+(﹣0.22005)×52004
=101﹣0.2
=100.8
(1)原式=2a12+4a6(﹣a6)+a12
=2a12﹣4a12+a12
=﹣a12
(2)原式=100+1+(﹣0.22005)×52004
=101﹣0.2
=100.8
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