Question

(a^2+b^3)(2a^2+2b^3)(3a^2+3b^3)(4a^2+4b^3)(4a^2+4b^3)(5a^2+5

Answer 1

(a^2+b^3)(2a^2+2b^3)(3a^2+3b^3)(4a^2+4b^3)(4a^2+4b^3)(5a^2+5b^3)

=(a^2+b^3)2(a^2+b^3)3(a^2+b^3)4(a^2+b^3)4(a^2+b^3)5(a^2+b^3)

=480(a^2+b^3)^6

感觉你多写了一次!