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初中根式经典100题，二次根式化简，如何配成完全平方式是关键
初中根式经典100题，二次根式化简，如何配成完全平方式是关键 化简：√(𝟏+𝟏𝟗𝟗𝟎𝟐+𝟏𝟗𝟗𝟎𝟐/𝟏𝟗𝟗𝟏𝟐) - 𝟏/𝟏𝟗𝟗𝟏
初中根式经典100题50/105
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