化简:18x²-[6xy²-(xy²-12x²y³)]

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/14 05:26:52
化简:18x²-[6xy²-(xy²-12x²y³)]

化简:18x²-[6xy²-(xy²-12x²y³)]
化简:18x²-[6xy²-(xy²-12x²y³)]

化简:18x²-[6xy²-(xy²-12x²y³)]
18x²-[6xy²-(xy²-12x²y³)]
=18x²-[6xy²-xy²+12x²y³)]
=18x²-5xy²-12x²y³