Solutions by everydaycalculation.com
1215 - 79 is 145.
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Related: 24/15-7/9 12/15-14/9 12/30-7/9 12/15-7/18 36/15-7/9 12/15-21/9 12/45-7/9 12/15-7/27 60/15-7/9 12/15-35/9 12/75-7/9 12/15-7/45 84/15-7/9 12/15-49/9 12/15-7/63
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