Помогите !!!! (6 1/2 - 4 1/4) : 2 1/2=? Помогите!!!

Question

Помогите !!!! (6 1/2 - 4 1/4) : 2 1/2=? Помогите!!!

Comments

ок

---

=(122/4-41/4):21/2= 81/4:21/2=81/4*2/21=27/14

Answer 1

(6 1/2 - 4 1/4) : 2 1/2 = 0,9

1) 6 1/2 - 4 1/4 = 6 2/4 - 4 1/4 = 2 1/4

2) 2 1/4 : 2 1/2 = 9/4 : 5/2 = 9/4 * 2/5 = 9/10 = 0,9