Solutions by everydaycalculation.com
1830 - 1430 is 215.
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Related: 36/30-14/30 18/30-28/30 18/60-14/30 18/30-14/60 54/30-14/30 18/30-42/30 18/90-14/30 18/30-14/90 90/30-14/30 18/30-70/30 18/30-98/30
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