Question

-12-5/6*3/5:(1 2/5-1.7=

Answer 1

-12-5/6*3/5:(1 2/5-1.7=-12-3/6:(2/5-7/10)=-12-1/2:(4/10-7/10)=-12-1/2:(-3/10)=-12+1/2*10/3=-12+5/3=-12+ 1. 2/3=-10. 1/3