hoangle2432007 hoangle2432007

18-10-2021
Mathematics

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rút gọn [tex]3\sqrt5a - \sqrt20a + 4\sqrt45a +\sqrt a[/tex]

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biancoke biancoke

18-10-2021

13√5a+√a

Step-by-step explanation:

Rút các số hạng ra khỏi dấu căn (√), giả sử là các số thực dương.

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