Solutions by everydaycalculation.com
1418 - 918 is 518.
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Related: 28/18-9/18 14/36-9/18 14/18-9/36 42/18-9/18 14/18-27/18 14/54-9/18 14/18-9/54 70/18-9/18 14/18-45/18 14/90-9/18 14/18-9/90 98/18-9/18 14/18-63/18
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