1.先化简再求值:a根号a分之1-a分之1根号4a的3次方-a的平方根号a的3次方分之4,其中a=1.212.已知a根号a分之3+3根号3分之a+根号27a=15,求a的值3.解方程:根号50-x=根号0.08+5分之24根号18分之14.设根号2=a,
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![1.先化简再求值:a根号a分之1-a分之1根号4a的3次方-a的平方根号a的3次方分之4,其中a=1.212.已知a根号a分之3+3根号3分之a+根号27a=15,求a的值3.解方程:根号50-x=根号0.08+5分之24根号18分之14.设根号2=a,](/uploads/image/z/66200-32-0.jpg?t=1.%E5%85%88%E5%8C%96%E7%AE%80%E5%86%8D%E6%B1%82%E5%80%BC%3Aa%E6%A0%B9%E5%8F%B7a%E5%88%86%E4%B9%8B1-a%E5%88%86%E4%B9%8B1%E6%A0%B9%E5%8F%B74a%E7%9A%843%E6%AC%A1%E6%96%B9-a%E7%9A%84%E5%B9%B3%E6%96%B9%E6%A0%B9%E5%8F%B7a%E7%9A%843%E6%AC%A1%E6%96%B9%E5%88%86%E4%B9%8B4%2C%E5%85%B6%E4%B8%ADa%3D1.212.%E5%B7%B2%E7%9F%A5a%E6%A0%B9%E5%8F%B7a%E5%88%86%E4%B9%8B3%2B3%E6%A0%B9%E5%8F%B73%E5%88%86%E4%B9%8Ba%2B%E6%A0%B9%E5%8F%B727a%3D15%2C%E6%B1%82a%E7%9A%84%E5%80%BC3.%E8%A7%A3%E6%96%B9%E7%A8%8B%EF%BC%9A%E6%A0%B9%E5%8F%B750-x%3D%E6%A0%B9%E5%8F%B70.08%2B5%E5%88%86%E4%B9%8B24%E6%A0%B9%E5%8F%B718%E5%88%86%E4%B9%8B14.%E8%AE%BE%E6%A0%B9%E5%8F%B72%3Da%2C)
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