{{1,-0.5}{-0.5,0.38}}×{{8}{1}}

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{{1,-0.5}{-0.5,0.38}}×{{8}{1}}
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{{1,-0.5}{-0.5,0.38}}×{{8}{1}}
{{1,-0.5}{-0.5,0.38}}×{{8}{1}}

{{1,-0.5}{-0.5,0.38}}×{{8}{1}}
((8,-4)(-4,3.04)(1,-0.5)(-0.5,0.38))