Question

Dau coroana ex 10 a)

Answer 1

Răspuns:

Explicație pas cu pas:

1 si 1/3=4/3

1 si 1/2=3/2

(4/3:8/9)/(3/2:2/5):8/15=(4/3*9/8)/3/2*5/2)*15/8=(3/2)/(15/4)*15/8=(3/2*4/15)*15/8= 2/5*15/8=3/4