计算 (1)(π−3)0−(1/2)−1+(2/3)2008×(−1.5)2009 (2)5(a4)3+(-2a3)2•(-a2)3-a15÷a3 (3)20112-2010×2012 (4)(x+1)(x-1)(x2-x+1)(x2+x+

问题描述:

计算
(1)(π−3)0−(

1
2
)−1+(
2
3
)2008×(−1.5)2009
(2)5(a43+(-2a32•(-a23-a15÷a3
(3)20112-2010×2012
(4)(x+1)(x-1)(x2-x+1)(x2+x+1)

(1)原式=1-2+[

2
3
×(-1.5)]2008•(-1.5)=1-2-1.5=-2.5;
(2)原式=5a12-4a6•a6-a12=5a12-4a12-a12=0;
(3)原式=20112-(2011-1)×(2011+1)=20112-(20112-1)=20112-20112+1=1;
(4)原式=[(x-1)(x2+x+1)][(x+1)(x2-x+1)]=(x3-1)(x3+1)=x6-1.