请帮忙化简:3(2x²y-3xy²)-2(2xy²-3x²y)
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/25 12:00:31
![请帮忙化简:3(2x²y-3xy²)-2(2xy²-3x²y)](/uploads/image/z/469587-3-7.jpg?t=%E8%AF%B7%E5%B8%AE%E5%BF%99%E5%8C%96%E7%AE%80%EF%BC%9A3%282x%26%23178%3By-3xy%26%23178%3B%29-2%282xy%26%23178%3B-3x%26%23178%3By%29)
请帮忙化简:3(2x²y-3xy²)-2(2xy²-3x²y)
请帮忙化简:3(2x²y-3xy²)-2(2xy²-3x²y)
请帮忙化简:3(2x²y-3xy²)-2(2xy²-3x²y)
原式=6x²y-9xy²-4xy²+6x²y
=12x²y-13xy²
3(2x²y-3xy²)-2(2xy²-3x²y)=6x²y-9xy²-4xy²+6x²y=12x²y-13xy²=xy(12x-13y)