Question

(-1 2/3)^2×(-0,72)-2 1/7=
помогите решить плиз.

Answer 1

(-1 2/3)^2*(-0,72)-2 1/7
 (-1 2/3)^2=(-5/3)^2=25/9
 25/9*(-72/100)= -8/4=-2    
-2-2.17=-4.17

Answer 2

1)(- 1 2/3)²=(5/3)²=25/9
2)25/9*(-0,72)=-25/9*18/25=-2
3)-2-2 1/7=-4 1/7