Solutions by everydaycalculation.com
1st number: 1 2/4, 2nd number: 1 10/20
64 - 3020 is 01.
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Related: 12/4-30/20 6/4-60/20 6/8-30/20 6/4-30/40 18/4-30/20 6/4-90/20 6/12-30/20 6/4-30/60 30/4-30/20 6/20-30/20 42/4-30/20 6/28-30/20
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