Solutions by everydaycalculation.com
1030 - 130 is 310.
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Related: 20/30-1/30 10/30-2/30 10/60-1/30 10/30-1/60 10/30-3/30 10/90-1/30 10/30-1/90 50/30-1/30 10/30-5/30 70/30-1/30 10/30-7/30
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