(1-根号2+根号3)²-(根号2+根号3)²化简

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(1-根号2+根号3)²-(根号2+根号3)²化简

(1-根号2+根号3)²-(根号2+根号3)²化简
(1-根号2+根号3)²-(根号2+根号3)²化简

(1-根号2+根号3)²-(根号2+根号3)²化简
(1-根号2+根号3)²-(根号2+根号3)²
=(1-根号2+根号3+根号2+根号3)*(1-根号2+根号3 - 根号2-根号3)
=(1+2根号3)*(1-2根号2)
=1-2根号2+2根号3-4根号6

全部打开就是:1+2+3-2根号2+2根号3-2根号6-2-3 -2根号6=1-4根号6+2根号3-2根号2