Question

(2的3次方+4的3次方+6的3次方+……+28的3次方+30的3次方)分之(1的3次方+2的3次方+

Answer 1

1^3+2^3+.+15^3/2^3(1^3+2^3+.+15^3)

= 1/2^3

= 1/8