-0.2a²b-6ab-1.4a²b+4.8ab+a²b
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/17 23:19:16
![-0.2a²b-6ab-1.4a²b+4.8ab+a²b](/uploads/image/z/7210783-55-3.jpg?t=-0.2a%26%23178%3Bb%EF%BC%8D6ab%EF%BC%8D1.4a%26%23178%3Bb%EF%BC%8B4.8ab%EF%BC%8Ba%26%23178%3Bb)
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-0.2a²b-6ab-1.4a²b+4.8ab+a²b
-0.2a²b-6ab-1.4a²b+4.8ab+a²b
-0.2a²b-6ab-1.4a²b+4.8ab+a²b
-0.2a²b-6ab-1.4a²b+4.8ab+a²b
=-0.6a²b-1.2ab
合并同类项 -1.2 a b - 0.6 a² b