若lx-2l+ly+3l+lz-4l=0,试求:(1)x.y.z的值; (2)2x+3y+z的值若lx-2l+ly+3l+lz-4l=0,试求:(1)x.y.z的值;(2)2x+3y+z的值

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若lx-2l+ly+3l+lz-4l=0,试求:(1)x.y.z的值; (2)2x+3y+z的值若lx-2l+ly+3l+lz-4l=0,试求:(1)x.y.z的值;(2)2x+3y+z的值

若lx-2l+ly+3l+lz-4l=0,试求:(1)x.y.z的值; (2)2x+3y+z的值若lx-2l+ly+3l+lz-4l=0,试求:(1)x.y.z的值;(2)2x+3y+z的值
若lx-2l+ly+3l+lz-4l=0,试求:(1)x.y.z的值; (2)2x+3y+z的值
若lx-2l+ly+3l+lz-4l=0,试求:
(1)x.y.z的值;
(2)2x+3y+z的值

若lx-2l+ly+3l+lz-4l=0,试求:(1)x.y.z的值; (2)2x+3y+z的值若lx-2l+ly+3l+lz-4l=0,试求:(1)x.y.z的值;(2)2x+3y+z的值