Solutions by everydaycalculation.com
1st number: 3 1/5, 2nd number: 3 5/10
165 - 3510 is -310.
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Related: 32/5-35/10 16/5-70/10 16/10-35/10 16/5-35/20 48/5-35/10 16/15-35/10 16/5-35/30 80/5-35/10 16/25-35/10 16/5-35/50 16/35-35/10 16/5-35/70
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