计算：（1）x²-9/(x²+6x+9)·1/(2x-6) （2）x²-y²/(x+2y)÷x+y/(x²+2xy)（3）x²-2x+1/(x²+4x+4)÷(x-1)·x²+3x+2/(x-1)

来源：学生作业帮助网 编辑：作业帮 时间：2024/05/09 14:41:28
计算：（1）x²-9/(x²+6x+9)·1/(2x-6) （2）x²-y²/(x+2y)÷x+y/(x²+2xy)（3）x²-2x+1/(x²+4x+4)÷(x-1)·x²+3x+2/(x-1)

计算：（1）x²-9/(x²+6x+9)·1/(2x-6) （2）x²-y²/(x+2y)÷x+y/(x²+2xy)（3）x²-2x+1/(x²+4x+4)÷(x-1)·x²+3x+2/(x-1)
计算：（1）x²-9/(x²+6x+9)·1/(2x-6) （2）x²-y²/(x+2y)÷x+y/(x²+2xy)
（3）x²-2x+1/(x²+4x+4)÷(x-1)·x²+3x+2/(x-1)

计算：（1）x²-9/(x²+6x+9)·1/(2x-6) （2）x²-y²/(x+2y)÷x+y/(x²+2xy)（3）x²-2x+1/(x²+4x+4)÷(x-1)·x²+3x+2/(x-1)