合并下列各式的同类项!
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/07/25 04:22:35
合并下列各式的同类项!
(1)4x²-y-8xy²+2x²y-3xy²
(2)3x²-1-2x-5+3x-x²
(3)-0.8x²y-6xy-1.2x²y+5xy+x²y
(1)4x²-y-8xy²+2x²y-3xy²
(2)3x²-1-2x-5+3x-x²
(3)-0.8x²y-6xy-1.2x²y+5xy+x²y
![合并下列各式的同类项!](/uploads/image/z/18459733-13-3.jpg?t=%E5%90%88%E5%B9%B6%E4%B8%8B%E5%88%97%E5%90%84%E5%BC%8F%E7%9A%84%E5%90%8C%E7%B1%BB%E9%A1%B9%21)
(1)4x²-y-11xy²+2x²y
(2)2x²+x-6
(3)-x²y-xy
(2)2x²+x-6
(3)-x²y-xy