(1/2x²y-2xy+y²)·3xy等于多少?
来源:学生作业帮助网 编辑:作业帮 时间:2024/03/29 15:58:03
(1/2x²y-2xy+y²)·3xy等于多少?
(1/2x²y-2xy+y²)·3xy等于多少?
(1/2x²y-2xy+y²)·3xy等于多少?
(1/2x²y-2xy+y²)·3xy
=3/2x²y²-6x²y²+3xy^3
=-9/2x²y²+3xy^3
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来源:学生作业帮助网 编辑:作业帮 时间:2024/03/29 15:58:03
(1/2x²y-2xy+y²)·3xy等于多少?
(1/2x²y-2xy+y²)·3xy等于多少?
(1/2x²y-2xy+y²)·3xy等于多少?
(1/2x²y-2xy+y²)·3xy
=3/2x²y²-6x²y²+3xy^3
=-9/2x²y²+3xy^3