Solutions by everydaycalculation.com
845 - 345 is 19.
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Related: 16/45-3/45 8/45-6/45 8/90-3/45 8/45-3/90 24/45-3/45 8/45-9/45 40/45-3/45 8/45-15/45 56/45-3/45 8/45-21/45
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