Solutions by everydaycalculation.com
1st number: 4 0/5, 2nd number: 3/10
205 - 310 is 3710.
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Related: 40/5-3/10 20/5-6/10 20/10-3/10 20/5-3/20 60/5-3/10 20/5-9/10 20/15-3/10 20/5-3/30 20/5-15/10 20/25-3/10 20/5-3/50 20/5-21/10 20/35-3/10 20/5-3/70
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