(-2y)^6-(-5 y^3)^2 [(-3y)^2]^3_数学解答

(-2y)^6-(-5 y^3)^2 [(-3y)^2]^3

人气：387 ℃　时间：2020-09-12 13:07:32

解答

(-2y)^6-(-5 y^3)^2 [(-3y)^2]^3
=64y^6-25y^6*[9y^2]^3
=64y^6-25y^6*729y^6
= 64y^6-18225y^12