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好吧问答库 > 根号下2又二分之一加上根号下2又四分之一减去根号5 √2봀+√2밀-√5怎么算

根号下2又二分之一加上根号下2又四分之一减去根号5 √2봀+√2밀-√5怎么算

2025年04月07日 08:06

有2个网友回答

网友（1）：

√2½+√2¼-√5
=√2+1/2+√2+1/4-√5
=2√2+1/2+1/4-√5
=2√2+3/4-√5

网友（2）：

√2½+√2¼-√5=√(5/2)+√(9/4)-√5=√10/2+3/2-√5=(3+√10)/2-√5

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