(7-1 5/9:7 /24):20/27

Question

(7-1 5/9:7 /24):20/27

Comments

Ребят плиз помогите!!!

Answer 1

(7 - 1 5/9 : 7/24) : 20/27 = 2 целых 1/4

1) 1 5/9 : 7/24 = 14/9 * 24/7 = (2*8)/(3*1) = 16/3 = 5 1/3
2) 7 - 5 1/3 = 6 3/3 - 5 1/3 = 1 2/3
3) 1 2/3 : 20/27 = 5/3 * 27/20 = (1*9)/(1*4) = 9/4 = 2 1/4