Solutions by everydaycalculation.com
1416 - 1216 is 18.
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Related: 28/16-12/16 14/16-24/16 14/32-12/16 14/16-12/32 42/16-12/16 14/16-36/16 14/48-12/16 14/16-12/48 70/16-12/16 14/16-60/16 14/80-12/16 14/16-12/80 98/16-12/16 14/16-84/16
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