(√12+5倍√8)√3;(√48+1⼀2倍√3⼀2)÷√27;√4x×(√3x⼀2-√x⼀6);(x√y-y倍√x)÷√xy

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2025-06-25 14:28:55
推荐回答(1个)
回答1:

(√12+5√8)√3
= 6 + 10√6

(√48 +√3/4) /√27
= (4√3 +√3/4) /(3√3)
= 4/3 +1/12
= 16/12 +1/12
= 17/12

√(4x)[√(3x)/2-√x/6]
= √(8/3)-√(2/3)
= √8√3/3 -√6/ 3
= 2√6/3 -√6/ 3
= √6/3

(x√y - y√x) / √(xy)
= √x - √y