1(根号27-2根号18)除以根号6 (2)根号32-5根号2分之1+6根号8分之1 (3)(根号3分之4-2根号3)x(-根号6(4) (2根号2-3根号3)(3根号3-2根号2)
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![1(根号27-2根号18)除以根号6 (2)根号32-5根号2分之1+6根号8分之1 (3)(根号3分之4-2根号3)x(-根号6(4) (2根号2-3根号3)(3根号3-2根号2)](/uploads/image/z/474019-43-9.jpg?t=1%28%E6%A0%B9%E5%8F%B727-2%E6%A0%B9%E5%8F%B718%29%E9%99%A4%E4%BB%A5%E6%A0%B9%E5%8F%B76+%EF%BC%882%EF%BC%89%E6%A0%B9%E5%8F%B732-5%E6%A0%B9%E5%8F%B72%E5%88%86%E4%B9%8B1%2B6%E6%A0%B9%E5%8F%B78%E5%88%86%E4%B9%8B1+%EF%BC%883%EF%BC%89%EF%BC%88%E6%A0%B9%E5%8F%B73%E5%88%86%E4%B9%8B4-2%E6%A0%B9%E5%8F%B73%EF%BC%89x%EF%BC%88-%E6%A0%B9%E5%8F%B76%EF%BC%884%EF%BC%89+%EF%BC%882%E6%A0%B9%E5%8F%B72-3%E6%A0%B9%E5%8F%B73%EF%BC%89%EF%BC%883%E6%A0%B9%E5%8F%B73-2%E6%A0%B9%E5%8F%B72%EF%BC%89)
1(根号27-2根号18)除以根号6 (2)根号32-5根号2分之1+6根号8分之1 (3)(根号3分之4-2根号3)x(-根号6(4) (2根号2-3根号3)(3根号3-2根号2)
1(根号27-2根号18)除以根号6 (2)根号32-5根号2分之1+6根号8分之1 (3)(根号3分之4-2根号3)x(-根号6
(4) (2根号2-3根号3)(3根号3-2根号2)
1(根号27-2根号18)除以根号6 (2)根号32-5根号2分之1+6根号8分之1 (3)(根号3分之4-2根号3)x(-根号6(4) (2根号2-3根号3)(3根号3-2根号2)
(1) (根号27-2根号18)除以根号6
=根号(9/2)-2根号3
=3/2*根号-2根号3
(2)根号32-5根号2分之1+6根号8分之1
=4根号2-5/2*根号2+3/2*根号2
=3根号2
(3)(根号3分之4-2根号3)x(-根号6)
=-根号8+2根号18
=6根号2-2根号2
=4根号2
(4) (2根号2-3根号3)(3根号3-2根号2)
=-(3根号3-2根号2)平方
=-(27+8-12根号6)
=12根号6-35
1(根号27-2根号18)/根号6
=(3根号3-6根号2)/根号6
=[(3根号3-6根号2)*根号6] /6
=[3根号18-6根号12] /6
=[9根号2-12根号3] /6
=1/2(3根号2-4根号3)
(2)根号32-5根号2分之1+6根号8分之1
=4根号2-5/2*根号2+6/4根号2
=(4-5/2+3/2)...
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1(根号27-2根号18)/根号6
=(3根号3-6根号2)/根号6
=[(3根号3-6根号2)*根号6] /6
=[3根号18-6根号12] /6
=[9根号2-12根号3] /6
=1/2(3根号2-4根号3)
(2)根号32-5根号2分之1+6根号8分之1
=4根号2-5/2*根号2+6/4根号2
=(4-5/2+3/2)根号2
=3根号2
(3)(根号3分之4-2根号3)x(-根号6)
=(2/3根号3-2根号3)x(-根号6)
=[(2/3-2)根号3]*(-根号6)
=(-4/3根号3)*(-根号6)
=4/3根号18
=4根号2
(4) (2根号2-3根号3)(3根号3-2根号2)
=(2根号2-3根号3)[-(2根号2-3根号3)]
=-(2根号2-3根号3)²
=-(8-12根号6+27)
=-35+12根号6
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