化简5乘以根号a-根号9a

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化简5乘以根号a-根号9a化简5乘以根号a-根号9a化简5乘以根号a-根号9a5√a-√9a=5√a-√3²a=5√a-3√a=2√a

化简5乘以根号a-根号9a
化简5乘以根号a-根号9a

化简5乘以根号a-根号9a
5√a-√9a
=5√a-√3²a
=5√a-3√a
=2√a