3a²-6a+3=-------
来源:学生作业帮助网 编辑:作业帮 时间:2024/05/11 13:19:36
3a²-6a+3=-------
3a²-6a+3=-------
3a²-6a+3=-------
原式=3(a²-2a+1)
=3(a-1)²
3a²-6a+3
=3(a²-2a+1)
=3(a-1)²
3a²-6a+3=-------
3a²-6a+3=-------
3a²-6a+3=-------
原式=3(a²-2a+1)
=3(a-1)²
3a²-6a+3
=3(a²-2a+1)
=3(a-1)²