问题
解答题
计算
(1)(x3)7(2)(103)3
(3)(-x3)2(4)(-x2)5
(5)(a2)3+5a2•a4-(a3)2
(6)25•16.
答案
(1)原式=x21;
(2)原式=109;
(3)原式=x6;
(4)原式=-x10;
(5)原式=a6+5a6-a6=5a6;
(6)原式=25•24=29.
计算
(1)(x3)7(2)(103)3
(3)(-x3)2(4)(-x2)5
(5)(a2)3+5a2•a4-(a3)2
(6)25•16.
(1)原式=x21;
(2)原式=109;
(3)原式=x6;
(4)原式=-x10;
(5)原式=a6+5a6-a6=5a6;
(6)原式=25•24=29.