Solutions by everydaycalculation.com
1045 - 645 is 445.
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Related: 20/45-6/45 10/45-12/45 10/90-6/45 10/45-6/90 30/45-6/45 10/45-18/45 50/45-6/45 10/45-30/45 70/45-6/45 10/45-42/45
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