Question

ПОМОГИТЕ пожалуйста!

Answer 1

1) (- 6 1/8 ) / (- 7/9) = (- 49/8) / (- 7/9) = 63/8
2) ( - 2 11/14) * 1 8/13 = (- 39/14) * 21/13 = - 9/2
3) I- 3.63I / I- 0.22I = 16.5 = 16 1/2 = 33/2
4) 63/8 + (- 9/2) + 33/2 = 63/8 - 36/8 + 132/8 = 159/8 = 19.875