1.(b-a)(b-a)^3(a-b)^5 2.-0.25^14*2^30

问题描述:

1.(b-a)(b-a)^3(a-b)^5 2.-0.25^14*2^30

1.(b-a)(b-a)^3(a-b)^5
=(a-b)^9
2.-0.25^14*2^30
=-(1/4)^14*2^30
=-(1/2)^28*2^30
=-2²
=-4