(根号48-根号75)*根号3分之4 - 知识问答

(根号48-根号75)*根号3分之4

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(根号48-根号75)*根号3分之4
=根号48*根号3分之4-根号75 *根号3分之4
=√(48×4/3) -√(75×4/3)
=√64-√100
=8-10
=-2

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