Solutions by everydaycalculation.com
1630 - 1630 is 01.
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Related: 32/30-16/30 16/30-32/30 16/60-16/30 16/30-16/60 48/30-16/30 16/30-48/30 16/90-16/30 16/30-16/90 80/30-16/30 16/30-80/30
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