Question

(1//2+11//12+3//4+5//6)*(-5)+(-756):(-36)=

Answer 1

(1//2+11//12+3//4+5//6)*(-5)+(-756):(-36)=

= (6/12 + 11/12 + 9/12 + 10/12)*(-5) + 21=

= 3*(-5)+21 =

= -15+21=

= 6