Question

Am nevoie de ajutor pt ex 4 de pe poza

Answer 1

Răspuns:

Explicație pas cu pas:

A=(2/3-1/2)+3/4=(2×2-3)/6+3/4=1/6+3/4=(2+3x3)/12=11/12

B=5/6+1/4=(5x2+3)/12=13/12

C=1/3-(5/6-3/6)=1/3-2/6=2/6-2/6=0

D=1-(2x2+1)/10+3/10=10/10-5/10+3/10=8/10=4/5