(a1,a2,a3,a4,a5)=1 1 1 2 20 2 -1 1 52 0 3 3 -11 1 -1 0 4r3-2r1,r4-r11 1 1 2 20 2 -1 1 50 -2 1 -1 -50 0 -2 -2 2r3+r2,r4*(-1/2),r1-r4,r2+r41 1 0 1 30 2 0 2 40 0 0 0 00 0 1 1 -1r2*(1/2),r2-r21 0 0 0 10 1...
求向量组a1=(1,0,2,1),a2=(1,2,0,1),a3=(1,-1,3,-1),a4=(2,1,3,0),a5
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