Solutions by everydaycalculation.com
89 - 715 is 1945.
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Related: 16/9-7/15 8/9-14/15 8/18-7/15 8/9-7/30 24/9-7/15 8/9-21/15 8/27-7/15 8/9-7/45 40/9-7/15 8/9-35/15 8/45-7/15 8/9-7/75 56/9-7/15 8/9-49/15 8/63-7/15
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