Solutions by everydaycalculation.com
1230 - 1230 is 01.
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Related: 24/30-12/30 12/30-24/30 12/60-12/30 12/30-12/60 36/30-12/30 12/30-36/30 12/90-12/30 12/30-12/90 60/30-12/30 12/30-60/30 84/30-12/30 12/30-84/30
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