来自藏强的问题
分式化简:(1)10a2+3a−4−a+1a−1+1(2)(a-b+4aba−b)(a+b-4aba+b)(3)3−x2x−4÷(x+2−5x−2)(4)先化简,再求值:a−ba+b÷a2+b2a2−b2−a+bab•a2b+ab2a2+b2,其中a,b满足a2+b2+a-4b+174=0.
分式化简:
(1)10a2+3a−4−a+1a−1+1
(2) (a-b+4aba−b)(a+b-4aba+b)
(3)3−x2x−4÷(x+2−5x−2)
(4)先化简,再求值:a−ba+b÷a2+b2a2−b2−a+bab•a2b+ab2a2+b2,其中a,b满足a2+b2+a-4b+a+1a−10=0.
1回答
2020-01-31 12:32