问题描述:
a+b = -1
ab = -3/2
(a-1/b) + (b-1/a) =
(a-1/b) x (b-1/a) =
一步一步的步骤yayayayyayaayayyayayayayyayayayayyayayya___________________________________________
ab = -3/2
(a-1/b) + (b-1/a) =
(a-1/b) x (b-1/a) =
一步一步的步骤yayayayyayaayayyayayayayyayayayayyayayya___________________________________________
问题解答:
我来补答展开全文阅读