Question

Ex in poza cine ma ajuta dau coroana!​

Answer 1

Răspuns:

Explicație pas cu pas:

se considera ca produsul mezilor=produsul extremelor

a=2/6/3=4

b=28x5/10=14

c=4x9/2=18

d=5x24/12=5x2=10

Answer 2

Răspuns:

2/3=a/6=>3a=12=>a=12:3=>a=4

b/5=28/10=>10b=140=>b=140:10=>b=14

4/c=2/9=>2c=36=>c=36:2=>c=18

12/5=24/d=>12d=120=>d=120:12=>d=10