(13 2/7 -15) *1,75 +(98/5-11,75)*0,75 помогите пж

Question

(13 2/7 -15) *1,75 +(98/5-11,75)*0,75 помогите пж

Answer 1

(13 2/7-15)*1,75+(98/5-11,75)*0,75=-1 5/7*1 3/4+(19,8-11.75)*0,75=-12/7*7/4+8,05*0,75=-3+6,0375=3,0375