x²/x-5+25/5-x计算

来源：学生作业帮助网编辑：作业帮时间：2024/04/30 04:04:21

x²/x-5+25/5-x计算
x²/x-5+25/5-x计算

x²/x-5+25/5-x计算
x²/x-5+25/5-x
=x²/x-5-25/x-5
=(x²-25)/(x-5)
=(x+5)(x-5)/(x-5)
=x+5