Question

N9 помогите пожалуйста

Answer 1

( 18. 3/4 + 16 3/4 ) - ( 25. 5/8 - 17. 7/10) =27. 23/40

1) 18. 3/4 + 16. 3/4 =34. 6/4=35. 2/4=35. 1/2
2) 25. 5/8 - 17. 7/10 =25. 25/40 - 17. 28/40= 24. 65/40 - 17. 28/40= 7. 37/40
3) 35. 1/2 - 7. 37/40 = 35. 20/40 - 7. 37/40 = 34 60/40 - 7. 37/40 = 27. 23/40