Solutions by everydaycalculation.com
136 - 636 is -536.
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Related: 2/36-6/36 1/36-12/36 1/72-6/36 1/36-6/72 3/36-6/36 1/36-18/36 5/36-6/36 1/36-30/36 7/36-6/36 1/36-42/36
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