(3 1/2-2 2/3+5 5/6+4 3/5)*1 2/13 Плиз.

Question

(3 1/2-2 2/3+5 5/6+4 3/5)*1 2/13
Плиз.

Answer 1

(7/2-8/3+35/6+23/5)*15/13
(105-80+175+138)/30*15/13=338/26=13