Solutions by everydaycalculation.com
920 - 35 is -320.
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Related: 18/20-3/5 9/20-6/5 9/40-3/5 9/20-3/10 27/20-3/5 9/20-9/5 9/60-3/5 9/20-3/15 45/20-3/5 9/20-15/5 9/20-3/25 63/20-3/5 9/20-21/5 9/20-3/35
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