是五次方还是五次方根?一个数【不管复数还是实数】的幂应该只是一个数而不是五个数.（i-1)^5=i^5-5i^4+10i^3-10i^2+5i-1=i-5-10i+10+5i-1=4-4i=4√2(cos7π/4+i sin7π/4)∴[(i-1)^5]^(1/5)=(4-4i)^(1/5)=(4√2)^(1/...