Solutions by everydaycalculation.com
1215 - 712 is 1360.
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Related: 24/15-7/12 12/15-14/12 12/30-7/12 12/15-7/24 36/15-7/12 12/15-21/12 12/45-7/12 12/15-7/36 60/15-7/12 12/15-35/12 12/75-7/12 12/15-7/60 84/15-7/12 12/15-49/12 12/15-7/84
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