Answer
$x^{1}$$y^{2}$ ,
Work Step by Step
$x^{10}$$y^{2}$ , $x^{1}$$y^{2}$ , $x^{3}$$y^{3}$ ,
$x^{10}$$y^{2}$ =x.x.x.x.x.x.x.x.x.x y.y
$x^{1}$$y^{2}$ = x.y.y
$x^{3}$$y^{3}$ = x.x.x.y.y.y
GCF = $x^{1}$$y^{2}$ ,
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