Solutions by everydaycalculation.com
1st number: 4 2/10, 2nd number: 4 2/10
4210 - 4210 is 01.
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Related: 84/10-42/10 42/10-84/10 42/20-42/10 42/10-42/20 42/30-42/10 42/10-42/30 42/50-42/10 42/10-42/50 42/70-42/10 42/10-42/70
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