Question

Ajutati-ma va rog mult!!!

Answer 1

Răspuns:

Raspuns  = 5/4

Explicație pas cu pas:

[(4/5+5/6x3/25)÷9/2]x3si3/4+1/2=

[(4/5+1/10) ÷9/2]x15/4+1/2=

[(8+1)/10x2/9]x15/4+1/2=

(9/10x2/9)x15/4+1/2=

1/5x15/4+1/2=

3/4+1/2=(3+2)/4=5/4