Помогите с номером 2
А) 1 5/17*(7-2 4/11)= =1 5/17*(6 11/11-2 4/11)= =1 5/17*4 5/11= =22/17*49/11=98/17=5 13/17 Б) (4,2:1,2-1,05)*1,6= =(3,5-1,05)*1,6= =2,45*1,6=3,92