Question

Помогите с номером 2

Answer 1

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