Question

初二关于幂的运算的数学题1.-1/3*a^2*x^4-(2ax^2)^42.2(y^3)^2*y^3-(3y^3)^2+

Answer 1

1.-1/3*a^2*x^4-(2ax^2)^4

=-1/3a^2x^4-16a^4x^8

=a^2x^4(-1/3-16a^2x^4)

2.2(y^3)^2*y^3-(3y^3)^2+(5y)^2*y^7

=2y^9-9y^6+25y^9

=27y^9-9y^6