A/( 2 - 1/2).(-3/4 + 1/2)-1/8B/5/11 . 5/7-5/7.14/+5/7.2/11-5/7.4/11C/5/12.4/9-29/12+5/9.5/12D/(1/13+3/31-1/2023).(1/2-1/3-1/6)
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