Solutions by everydaycalculation.com
18 - 35 is -1940.
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Related: 2/8-3/5 1/8-6/5 1/16-3/5 1/8-3/10 3/8-3/5 1/8-9/5 1/24-3/5 1/8-3/15 5/8-3/5 1/8-15/5 1/40-3/5 1/8-3/25 7/8-3/5 1/8-21/5 1/56-3/5 1/8-3/35
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