9 9/11-(3 2/11-2 3/11)=8 10/11
1 ) 3 2/11-2 3/11=2 13/11-2 3/11=10/11
2) 9 9/11-10/11=8 20/11-10/11=8 10/11
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9 9/11-(3 2/11-2 3/11)=8 10/11
1 ) 3 2/11-2 3/11=2 13/11-2 3/11=10/11
2) 9 9/11-10/11=8 20/11-10/11=8 10/11