Solutions by everydaycalculation.com
1420 - 1420 is 01.
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Related: 28/20-14/20 14/20-28/20 14/40-14/20 14/20-14/40 42/20-14/20 14/20-42/20 14/60-14/20 14/20-14/60 70/20-14/20 14/20-70/20 98/20-14/20 14/20-98/20
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