①(2a-3ab)(-2a+3ab)=?②x的18次方÷[﹝-x³﹚²]﹢﹙﹣x﹚³÷x²×x的5次方=?③﹙3x﹢2﹚﹙3x-2﹚-5x﹙x-1﹚-﹙2x-1﹚²=?④﹙x-3﹚²﹙x+3﹚²=?⑤x的n次方-x的n-2次方=?⑥x³
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/13 05:34:06
![①(2a-3ab)(-2a+3ab)=?②x的18次方÷[﹝-x³﹚²]﹢﹙﹣x﹚³÷x²×x的5次方=?③﹙3x﹢2﹚﹙3x-2﹚-5x﹙x-1﹚-﹙2x-1﹚²=?④﹙x-3﹚²﹙x+3﹚²=?⑤x的n次方-x的n-2次方=?⑥x³](/uploads/image/z/14655983-23-3.jpg?t=%E2%91%A0%282a-3ab%29%28-2a%2B3ab%29%3D%3F%E2%91%A1x%E7%9A%8418%E6%AC%A1%E6%96%B9%C3%B7%5B%EF%B9%9D-x%26%23179%3B%EF%B9%9A%26%23178%3B%5D%EF%B9%A2%EF%B9%99%EF%B9%A3x%EF%B9%9A%26%23179%3B%C3%B7x%26%23178%3B%C3%97x%E7%9A%845%E6%AC%A1%E6%96%B9%3D%3F%E2%91%A2%EF%B9%993x%EF%B9%A22%EF%B9%9A%EF%B9%993x%EF%BC%8D2%EF%B9%9A%EF%BC%8D5x%EF%B9%99x%EF%BC%8D1%EF%B9%9A%EF%BC%8D%EF%B9%992x%EF%BC%8D1%EF%B9%9A%26%23178%3B%3D%3F%E2%91%A3%EF%B9%99x-3%EF%B9%9A%26%23178%3B%EF%B9%99x%EF%BC%8B3%EF%B9%9A%26%23178%3B%3D%3F%E2%91%A4x%E7%9A%84n%E6%AC%A1%E6%96%B9%EF%BC%8Dx%E7%9A%84n%EF%BC%8D2%E6%AC%A1%E6%96%B9%3D%3F%E2%91%A5x%26%23179)
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