若ab>0,使①a²+b²+﹙ ﹚=﹙a+b﹚²;②a²+b²+﹙ ﹚=﹙a-b﹚²;③﹙a²-b²﹚+﹙ ﹚=﹙a-b﹚²;④a²+ab+b²+﹙ ﹚=﹙a+b﹚²成立,所填的式子,
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/31 16:22:19
![若ab>0,使①a²+b²+﹙ ﹚=﹙a+b﹚²;②a²+b²+﹙ ﹚=﹙a-b﹚²;③﹙a²-b²﹚+﹙ ﹚=﹙a-b﹚²;④a²+ab+b²+﹙ ﹚=﹙a+b﹚²成立,所填的式子,](/uploads/image/z/1759348-28-8.jpg?t=%E8%8B%A5ab%EF%BC%9E0%2C%E4%BD%BF%E2%91%A0a%26%23178%3B%2Bb%26%23178%3B%EF%BC%8B%EF%B9%99+%EF%B9%9A%EF%BC%9D%EF%B9%99a%EF%BC%8Bb%EF%B9%9A%26%23178%3B%EF%BC%9B%E2%91%A1a%26%23178%3B%2Bb%26%23178%3B%EF%BC%8B%EF%B9%99+%EF%B9%9A%EF%BC%9D%EF%B9%99a%EF%BC%8Db%EF%B9%9A%26%23178%3B%EF%BC%9B%E2%91%A2%EF%B9%99a%26%23178%3B%EF%BC%8Db%26%23178%3B%EF%B9%9A%EF%BC%8B%EF%B9%99+%EF%B9%9A%EF%BC%9D%EF%B9%99a%EF%BC%8Db%EF%B9%9A%26%23178%3B%EF%BC%9B%E2%91%A3a%26%23178%3B%EF%BC%8Bab%EF%BC%8Bb%26%23178%3B%EF%BC%8B%EF%B9%99+%EF%B9%9A%EF%BC%9D%EF%B9%99a%2Bb%EF%B9%9A%26%23178%3B%E6%88%90%E7%AB%8B%2C%E6%89%80%E5%A1%AB%E7%9A%84%E5%BC%8F%E5%AD%90%2C)
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