2a倍根号3ab²-b/6根号27a³+3ab倍根号a/3 (b大于0)
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![2a倍根号3ab²-b/6根号27a³+3ab倍根号a/3 (b大于0)](/uploads/image/z/746466-42-6.jpg?t=2a%E5%80%8D%E6%A0%B9%E5%8F%B73ab%26%23178%3B-b%2F6%E6%A0%B9%E5%8F%B727a%26%23179%3B%2B3ab%E5%80%8D%E6%A0%B9%E5%8F%B7a%2F3+%EF%BC%88b%E5%A4%A7%E4%BA%8E0%EF%BC%89)
2a倍根号3ab²-b/6根号27a³+3ab倍根号a/3 (b大于0)
2a倍根号3ab²-b/6根号27a³+3ab倍根号a/3 (b大于0)
2a倍根号3ab²-b/6根号27a³+3ab倍根号a/3 (b大于0)
2a倍根号3ab²-b/6根号27a³+3ab倍根号a/3
=2ab√3a-ab/2√3a+ab√3a
=5ab/2 √3a
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