X-(X/2)+(X/3)-(X/4)+(X/5)-(X/6)=1
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X-(X/2)+(X/3)-(X/4)+(X/5)-(X/6)=1X-(X/2)+(X/3)-(X/4)+(X/5)-(X/6)=1X-(X/2)+(X/3)-(X/4)+(X/5)-(X/6)=1&
X-(X/2)+(X/3)-(X/4)+(X/5)-(X/6)=1
X-(X/2)+(X/3)-(X/4)+(X/5)-(X/6)=1
X-(X/2)+(X/3)-(X/4)+(X/5)-(X/6)=1
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