Solutions by everydaycalculation.com
2128 - 428 is 1728.
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Related: 42/28-4/28 21/28-8/28 21/56-4/28 21/28-4/56 63/28-4/28 21/28-12/28 21/84-4/28 21/28-4/84 21/28-20/28
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