(2a-1)²-2×(2a-1)×(a-6)+(a-6)²
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/30 01:28:01
![(2a-1)²-2×(2a-1)×(a-6)+(a-6)²](/uploads/image/z/13908597-69-7.jpg?t=%EF%BC%882a-1%29%26%23178%3B-2%C3%97%EF%BC%882a-1%EF%BC%89%C3%97%EF%BC%88a-6%EF%BC%89%2B%EF%BC%88a-6%EF%BC%89%26%23178%3B)
(2a-1)²-2×(2a-1)×(a-6)+(a-6)²
(2a-1)²-2×(2a-1)×(a-6)+(a-6)²
(2a-1)²-2×(2a-1)×(a-6)+(a-6)²
(2a-1)²-2×(2a-1)×(a-6)+(a-6)²
=(2a-1-a-6)²
=(a-7)²
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来源:学生作业帮助网 编辑:作业帮 时间:2024/06/30 01:28:01
(2a-1)²-2×(2a-1)×(a-6)+(a-6)²
(2a-1)²-2×(2a-1)×(a-6)+(a-6)²
(2a-1)²-2×(2a-1)×(a-6)+(a-6)²
(2a-1)²-2×(2a-1)×(a-6)+(a-6)²
=(2a-1-a-6)²
=(a-7)²