Question

x的2次方乘x的4次方乘x的6次方+（x的3次方）的3次方+【（a+b）的3次方】的4次方=多少

Answer 1

x^2*x^4*x^6+(x^3)^3
=x^(2+4+6)+x^9
=x^12+x^9
[(a+b)^3]^4
=(a+b)^(3*4)
=(a+b)^12