(2倍根号48减3倍根号27)除以根号6

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(2倍根号48减3倍根号27)除以根号6

(2倍根号48减3倍根号27)除以根号6
(2倍根号48减3倍根号27)除以根号6

(2倍根号48减3倍根号27)除以根号6
﹙2√48-3√27﹚÷√6
=﹙2√16x3-3√3x9﹚÷﹙√2×√3﹚
=﹙-√3﹚÷√3÷√2
=-1/√2
=-√2/2

(2√48-3√27)/√6
=(4√12-9√3)/√6
=4√12/√6-9√3/√6
=4√2-9/√2
=4√2-9√2/2
=-√2/2

俊狼猎英团队为您解答

原式=(8√3-9√3)÷√6
=-√3÷√6
=-√(1/2)
=-√2/2。

(2倍根号48减3倍根号27)除以根号6
=2√8-3√9/2
=2×2√2-3×3/2√2
=4√2-9/2√2
=-√2/2

负2分之根号2

﹙2√48-3√27﹚÷√6
=2√48÷√6-3√27÷√6
=2√8-3√﹙9/2﹚
=4√2-9√2/2
=﹣√2/2

(2倍根号48减3倍根号27)除以根号6=-2分之根号2