Solutions by everydaycalculation.com
1245 - 345 is 15.
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Related: 24/45-3/45 12/45-6/45 12/90-3/45 12/45-3/90 36/45-3/45 12/45-9/45 60/45-3/45 12/45-15/45 84/45-3/45 12/45-21/45
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