Solutions by everydaycalculation.com
1645 - 645 is 29.
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Related: 32/45-6/45 16/45-12/45 16/90-6/45 16/45-6/90 48/45-6/45 16/45-18/45 80/45-6/45 16/45-30/45 16/45-42/45
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