(5a³-2a²+3)-(1-2a+a²)+3(-1+3a-a²)
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/01 23:48:10
![(5a³-2a²+3)-(1-2a+a²)+3(-1+3a-a²)](/uploads/image/z/765108-36-8.jpg?t=%EF%BC%885a%26%23179%3B-2a%26%23178%3B%2B3%EF%BC%89-%EF%BC%881-2a%2Ba%26%23178%3B%EF%BC%89%2B3%EF%BC%88-1%2B3a-a%26%23178%3B%EF%BC%89)
(5a³-2a²+3)-(1-2a+a²)+3(-1+3a-a²)
(5a³-2a²+3)-(1-2a+a²)+3(-1+3a-a²)
(5a³-2a²+3)-(1-2a+a²)+3(-1+3a-a²)
原式=5a³-2a²+3-1+2a-a²-3+9a-3a²
=5a³-6a²+11a-1
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来源:学生作业帮助网 编辑:作业帮 时间:2024/07/01 23:48:10
(5a³-2a²+3)-(1-2a+a²)+3(-1+3a-a²)
(5a³-2a²+3)-(1-2a+a²)+3(-1+3a-a²)
(5a³-2a²+3)-(1-2a+a²)+3(-1+3a-a²)
原式=5a³-2a²+3-1+2a-a²-3+9a-3a²
=5a³-6a²+11a-1