Solutions by everydaycalculation.com
340 - 1040 is -740.
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Related: 6/40-10/40 3/40-20/40 3/80-10/40 3/40-10/80 9/40-10/40 3/40-30/40 15/40-10/40 3/40-50/40 21/40-10/40 3/40-70/40
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