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If x 3 1 4 3 1 4
If x 3 1 4 3 1 4 pictures 5
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If x 3 1 4 3 1 4
if x 4 1 x 4 47 then x 3 1 x 3
if x 4 1 x 4 194 then x 3 1 x 3
if x^4+1/x^4u003d727 then x3-1/x^3u003d
if x 3 1 4 3 1 4 and y 3 1 4 3 1 4
if x 3 1 4 3 1 4
