初中数学题
.正数x1,x2,x3,x4,x5,x6同时满足x1/(x2x3x4x5x6)=1,x2/(x1x3x4x5x6)=2,x3/(x1x2x4x5x6)=3,x4/(x1x2x3x5x6)=4,x5/(x1x2x3x4x6)=6,x6/(x1x2x3x4x5)=9,求x1+x2+x3+x4+x5+x6
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