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±ÈÈ磺 a1=[ 1 , 2 ; 3 ,4]    ;    b1=[6 , 4 ;  7 , 8] ;         
           a2=[5 , 6 ; 3 , 5]    ;     b2=[ 9 , 2 ; 8  ,3]
           a3=[5 , 6 ; 3 , 7]    ;     b3=[ 6 , 2 ; 8  ,3]
a1 ,a2,a3 ,b1,b2,b3 ÊÇ 2 x2 µÄ¾ØÕó

ʸÁ¿ A=(a1 , a2 , a3)  ;  Ê¸Á¿ B=(b1 , b2 , b3)

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