Solutions by everydaycalculation.com
2124 - 1424 is 724.
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Related: 42/24-14/24 21/24-28/24 21/48-14/24 21/24-14/48 63/24-14/24 21/24-42/24 21/72-14/24 21/24-14/72 21/24-70/24 21/24-98/24
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