Solutions by everydaycalculation.com
345 - 145 is 245.
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Related: 6/45-1/45 3/45-2/45 3/90-1/45 3/45-1/90 9/45-1/45 3/45-3/45 15/45-1/45 3/45-5/45 21/45-1/45 3/45-7/45
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