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Rút gọn 3\sqrt5a - \sqrt20a + 4\sqrt45a +\sqrt a
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Rút gọn
3\sqrt5a - \sqrt20a + 4\sqrt45a +\sqrt a

User Supawat Pusavanno
by
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1 Answer

1 vote

13√5a+√a

Explanation:

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

User Ted Mosby
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