问题标题:
1(根号3+根号2x根号6)(2)根号98÷根号2-根号2x2根号6(3)(3根号6+根号24)除根号2
问题描述:
1(根号3+根号2x根号6)(2)根号98÷根号2-根号2x2根号6(3)(3根号6+根号24)除根号2
黄丞回答:
(1)根号3+根号2x根号6)
=根号3+2根号3
=3根号3
(2)根号98÷根号2-根号2x2根号6
=7根号2÷根号2-4根号3
=7-4根号3
(3)(3根号6+根号24)÷根号2
=(3根号6+2根号6)÷根号2
=4根号6÷根号2
=4根号3
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