Solutions by everydaycalculation.com
1st number: 1 10/20, 2nd number: 4 10/20
3020 + 9020 is 61.
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Related: 60/20+90/20 30/40+90/20 30/20+90/40 90/20+90/20 30/60+90/20 30/20+90/60
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