√4+√8+√12+·····+√40等于几

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√4+√8+√12+·····+√40等于几√4+√8+√12+·····+√40等于几√4+√8+√12+·····+√40等于几√4+√8+√12+·····+√40=2+2√2+2√3+````

√4+√8+√12+·····+√40等于几
√4+√8+√12+·····+√40等于几

√4+√8+√12+·····+√40等于几
√4+√8+√12+·····+√40
=2+2√2+2√3+`````+2√10
=2(1+√2+√3+`````+√10)