(-1⼀2)的-1次方是多少

2024-12-30 12:36:15
推荐回答(2个)
回答1:

解:(-1/2)^-1
=(-0.5)^-1
=1/-0.5
=-2

回答2:

(-1/2)^(-1) =1/(-1/2) = -2