① √ 2(√3+√5) ②(√80+√40)÷√5 ③ (√5+3) (5+2) ④(√a+√b)(3√a-√b)计算;①(4+√7)(4-√7) ②(√6+√2)(√6-√2) ③(√3+2)² ④(2√5-√2)²
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/14 02:51:28
![① √ 2(√3+√5) ②(√80+√40)÷√5 ③ (√5+3) (5+2) ④(√a+√b)(3√a-√b)计算;①(4+√7)(4-√7) ②(√6+√2)(√6-√2) ③(√3+2)² ④(2√5-√2)²](/uploads/image/z/1722847-31-7.jpg?t=%E2%91%A0+%E2%88%9A+2%EF%BC%88%E2%88%9A3%2B%E2%88%9A5%EF%BC%89+%E2%91%A1%EF%BC%88%E2%88%9A80%2B%E2%88%9A40%EF%BC%89%C3%B7%E2%88%9A5+%E2%91%A2+%EF%BC%88%E2%88%9A5%2B3%EF%BC%89+%EF%BC%885%2B2%EF%BC%89+%E2%91%A3%EF%BC%88%E2%88%9Aa%2B%E2%88%9Ab%EF%BC%89%EF%BC%883%E2%88%9Aa%EF%BC%8D%E2%88%9Ab%EF%BC%89%E8%AE%A1%E7%AE%97%EF%BC%9B%E2%91%A0%EF%BC%884%2B%E2%88%9A7%EF%BC%89%EF%BC%884%EF%BC%8D%E2%88%9A7%EF%BC%89+%E2%91%A1%EF%BC%88%E2%88%9A6%2B%E2%88%9A2%EF%BC%89%EF%BC%88%E2%88%9A6%EF%BC%8D%E2%88%9A2%EF%BC%89+%E2%91%A2%EF%BC%88%E2%88%9A3%2B2%29%26%23178%3B+%E2%91%A3%EF%BC%882%E2%88%9A5%EF%BC%8D%E2%88%9A2%29%26%23178%3B)
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来源:学生作业帮助网 编辑:作业帮 时间:2024/07/14 02:51:28