Solutions by everydaycalculation.com
78 - 46 is 524.
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Related: 14/8-4/6 7/8-8/6 7/16-4/6 7/8-4/12 21/8-4/6 7/8-12/6 7/24-4/6 7/8-4/18 35/8-4/6 7/8-20/6 7/40-4/6 7/8-4/30 49/8-4/6 7/8-28/6 7/56-4/6 7/8-4/42
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