-1,8:((2/3 во второй степени)-7/9)=

Question

-1,8:((2/3 во второй степени)-7/9)=

Answer 1

- 1,8 : ((2/3 во второй степени) - 7/9) = 5,4

1) 2/3 * 2/3 = 4/9
2) 4/9 - 7/9 = - 3/9 = - 1/3
3) - 1,8 : (- 1/3) = - 1,8 * (- 3)/1 = 5,4