问题
解答题
计算:
(1)(102)3;
(2)-(a2)4;
(3)(x3)5-x3;
(4)[(-x)2]3;
(5)(-a)2(a2)2;
(6)x-x4-x2x3.
答案
(1)(102)3=106;
(2)-(a2)4=-a8;
(3)(x3)5•x3=x15•x3=x18;
(4)[(-x)2]3=x6;
(5)(-a)2(a2)2=a2•a4=a6;
(6)x•x4-x2x3=x5-x5=0.