1.计算:
(1)(-1/2)^3 × (-1/2)
(2)-(a+b)^5 × (a+b)^2
(3)(-2a^5)^4
(4)(-1/2x)^4 ÷ (-1/2x)
(5)(-a^3 × b)^2
(6)b × (-b)^2(b^2)^3
(7)(-y^3)^2 ÷ y^6
(8)a^2n+1 × a^2n-1
(9)(x^2)÷ x^2n
1.计算:
(1)(-1/2)^3 × (-1/2)
(2)-(a+b)^5 × (a+b)^2
(3)(-2a^5)^4
(4)(-1/2x)^4 ÷ (-1/2x)
(5)(-a^3 × b)^2
(6)b × (-b)^2(b^2)^3
(7)(-y^3)^2 ÷ y^6
(8)a^2n+1 × a^2n-1
(9)(x^2)÷ x^2n
^是什么..?
1、1/16
2、-(a+b)^7
3、16a^20
4、(-1/2x)^3
5、a^6xb^2
6、b^9
7、1
8、a^4n
9、x^2-2n
(1) 1/16
(2) -(a+b)^7
16a ^20
-1/8x^3
-a^6 × b^2
b^9
1
a^4n
x^(2-2n)