Solutions by everydaycalculation.com
1445 - 645 is 845.
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Related: 28/45-6/45 14/45-12/45 14/90-6/45 14/45-6/90 42/45-6/45 14/45-18/45 70/45-6/45 14/45-30/45 98/45-6/45 14/45-42/45
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