(7 1/3+2 1/4):1/4-30 5/6 решите

Question

(7 1/3+2 1/4):1/4-30 5/6
решите

Answer 1

(22/3+9/4):1/4=(88/12+27/12):1/4=115/12:1/4=115/3. 115/3-185/6=230/6-185/6=45/6=15/2=7,5