已知ab≠0,且实数a、b满足√a(√a+√b)=3√b(2/3√a+4√b),那么(a-5b+√ab)/(a+b+√ab)=___注:“√”表示根号 初三问题,急求过程,已知答案为5/7.
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![已知ab≠0,且实数a、b满足√a(√a+√b)=3√b(2/3√a+4√b),那么(a-5b+√ab)/(a+b+√ab)=___注:“√”表示根号 初三问题,急求过程,已知答案为5/7.](/uploads/image/z/2770589-29-9.jpg?t=%E5%B7%B2%E7%9F%A5ab%E2%89%A00%2C%E4%B8%94%E5%AE%9E%E6%95%B0a%E3%80%81b%E6%BB%A1%E8%B6%B3%E2%88%9Aa%EF%BC%88%E2%88%9Aa%2B%E2%88%9Ab%EF%BC%89%3D3%E2%88%9Ab%EF%BC%882%2F3%E2%88%9Aa%2B4%E2%88%9Ab%EF%BC%89%2C%E9%82%A3%E4%B9%88%EF%BC%88a-5b%2B%E2%88%9Aab%EF%BC%89%2F%EF%BC%88a%2Bb%2B%E2%88%9Aab%EF%BC%89%3D%EF%BC%BF%EF%BC%BF%EF%BC%BF%E6%B3%A8%EF%BC%9A%E2%80%9C%E2%88%9A%E2%80%9D%E8%A1%A8%E7%A4%BA%E6%A0%B9%E5%8F%B7+%E5%88%9D%E4%B8%89%E9%97%AE%E9%A2%98%2C%E6%80%A5%E6%B1%82%E8%BF%87%E7%A8%8B%2C%E5%B7%B2%E7%9F%A5%E7%AD%94%E6%A1%88%E4%B8%BA5%2F7.)
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