Solutions by everydaycalculation.com
1230 - 1430 is -115.
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Related: 24/30-14/30 12/30-28/30 12/60-14/30 12/30-14/60 36/30-14/30 12/30-42/30 12/90-14/30 12/30-14/90 60/30-14/30 12/30-70/30 84/30-14/30 12/30-98/30
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