Solutions by everydaycalculation.com
1415 - 1215 is 215.
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Related: 28/15-12/15 14/15-24/15 14/30-12/15 14/15-12/30 42/15-12/15 14/15-36/15 14/45-12/15 14/15-12/45 70/15-12/15 14/15-60/15 14/75-12/15 14/15-12/75 98/15-12/15 14/15-84/15
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