Solutions by everydaycalculation.com
745 - 645 is 145.
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Related: 14/45-6/45 7/45-12/45 7/90-6/45 7/45-6/90 21/45-6/45 7/45-18/45 35/45-6/45 7/45-30/45 49/45-6/45 7/45-42/45
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