Solutions by everydaycalculation.com
1030 - 630 is 215.
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Related: 20/30-6/30 10/30-12/30 10/60-6/30 10/30-6/60 10/30-18/30 10/90-6/30 10/30-6/90 50/30-6/30 70/30-6/30 10/30-42/30
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