计算：(根号54-1\3根号2又2\3)+2根号4又1\2-(根号2\27+1\9根号2),
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计算：(根号54-1\3根号2又2\3)+2根号4又1\2-(根号2\27+1\9根号2),计算：(根号54-1\3根号2又2\3)+2根号4又1\2-(根号2\27+1\9根号2),计算：(根号54
计算：(根号54-1\3根号2又2\3)+2根号4又1\2-(根号2\27+1\9根号2),
计算：(根号54-1\3根号2又2\3)+2根号4又1\2-(根号2\27+1\9根号2),
计算：(根号54-1\3根号2又2\3)+2根号4又1\2-(根号2\27+1\9根号2),
(根号54-1\3根号2又2\3)+2根号4又1\2-(根号2\27+1\9根号2)
=3根号6-2\9根号6+3根号2-1/9根号6-1\9根号2
=8/3根号6+26/9根号2
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