Помогите срочно K6 K7

Question

Помогите срочно K6 K7

---

Answer 1

1. 0,4=2/5;1/2=0,5;1/4=0,25;0,75=3/4
3,25= 3 1/4; 3/4=0,75;2/5=0,4;1/5=0,2; 2 3/4=2,75
2. 0,72=72%
0,08=8%
0,3=30%
0.800=80%