可得:3a-b-7 = 0 ,2a+b-3 = 0 ,
解得:a = 2 ,b = -1 ,
所以,(b+a)^a = 1 ,平方根是 ±1 .若不等式组x+ab的解集是-1
推荐
- 已知5分之1|3a-b-7|+根号2a+b-3=0,求(b+a)的a次方的平方根
- 已知3a-b-7的绝对值+根号2a+b-3=0,求b+a的和的a次方
- 已知实数a 、b满足(2a+3b)的3次方=-8,根根号3a+5b=2,
- 如果2a-1的平方根是±根号3,2和-2是根号b的平方根,那么b的a次方的平方根是
- 已知2a-1的平方根为±根号3,3a-2b+1的平方根为±3,求4a-b的平方根.
- 空气压缩机输出气体温度高、水汽多,怎么办?
- I heard about her for the first time in 1896.Aldion---a small town in the west,only a few.
- Zhao Fen was hit by a car while she was rushing to the
猜你喜欢