Question

 Решите задачи-7 3/5-(-4 2/15-5 2/3) =реши
-23 1/2-(5 3/4+2 7/20)=реши
-1/3-(3 7/18-1 2/9)=реши

Answer 1

-(7+3/5)-(-(4+2/15)-(5+2/3))=2.2
-23 1/2-(5 3/4+2 7/20)=-31.6
-1/3-(3 7/18-1 2/9)=-2.5