如图所示,
原式=6^(-6) ∕ 3(-15)﹢1 ∕ 16^2 ∕ (-81)^2 =3^15 ∕ 6^6﹢81^2 ∕ 16^2 =3^15 ∕ 3^6*2^6﹢3^8 ∕ 2^8 =3^9*4 ∕ 2^8﹢3^8 ∕ 2^8 =36*3^8 ∕ 2^8 =236196 ∕ 256