-(+0.5)-(-3.25)+2.75-(+7.

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-(+0.5)-(-3.25)+2.75-(+7.-(+0.5)-(-3.25)+2.75-(+7.-(+0.5)-(-3.25)+2.75-(+7. 

-(+0.5)-(-3.25)+2.75-(+7.
-(+0.5)-(-3.25)+2.75-(+7.

-(+0.5)-(-3.25)+2.75-(+7.