Solutions by everydaycalculation.com
45 - 56 is -130.
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Related: 8/5-5/6 4/5-10/6 4/10-5/6 4/5-5/12 12/5-5/6 4/5-15/6 4/15-5/6 4/5-5/18 20/5-5/6 4/5-25/6 4/25-5/6 4/5-5/30 28/5-5/6 4/5-35/6 4/35-5/6 4/5-5/42
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