(3-根3)(1+根3分之1)(2根x+根y)(根4x-根y)(3倍根5-1)方-(4根3)方(1+根2)方(1-根2)方

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(3-根3)(1+根3分之1)
(2根x+根y)(根4x-根y)
(3倍根5-1)方-(4根3)方
(1+根2)方(1-根2)方

(3-根3)(1+根3分之1)
=3-根号3+3根号3分之1-1
=3-根号3+根号3-1
=2
(2根x+根y)(根4x-根y)
=2根号(4x^2)+根号(4xy)-2根号(xy)-y
=4x+2根号(xy)-2根号(xy)-y
=4x-y
(3倍根5-1)方-(4根3)方
=45-6根号5+1-48
=-2-6根号5
(1+根2)方(1-根2)方
=(1+2+2根号2)(1-2根号2+2)
=(3+2根号2)(3-2根号2)
=9-8
=1