Question

а)5 2/3 :1/3-1 7/12*6 б)4 3/7:1/7-1 5/6*3 в)2 1/10:1 2/5

Answer 1

а)=17/3*3-19/12*6=17-19/2=17-9,5=7,5
б)=31/7*7-11/6*3=31-11/2=31-5,5=25,5
в)=21/10:7/5=21/10*5/7=3/2=1,5