Solutions by everydaycalculation.com
945 - 1245 is -115.
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Related: 18/45-12/45 9/45-24/45 9/90-12/45 9/45-12/90 27/45-12/45 9/45-36/45 9/45-60/45 63/45-12/45 9/45-84/45
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