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2025-12-17 03:16:09
推荐回答(6个)
回答1:

 

回答2:

13-(11/29+18/29)
=13-29/29
=12

回答3:

13-(11/29+18/29)
=13-1
=12

回答4:

=13-(11/29)=13-1=12

回答5:

13-29/11+29/18

回答6:

12