Question

30 БАЛЛОВ:
(13+2*7)/(5-2)-(-6-7-5)=????

Answer 1

(13+2*7)/(5-2)-(-6-7-5)=27/3 + 6 + 7 + 5 = 9 + 18 = 27

Answer 2

13 + 2*7= 27
27:(5-2)= 9
9 - ( -6-7-5) = 9 - (-18)= 9+18= 27