Question

Va rog ajutați-mă......​

Answer 1

Răspuns:

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

4/9:(1/3-1/6*2/3)+1/3=4/9:(1/3-1/9)+1/3=4/9:(3/9-1/9)+1/3=4/9:2/9+1/3

=4/9*9/2+1/3=4/2+1/3=2+1/3=6/3+1/3=7/3

8*[1/4-(1-4/6)]=8*[1/4-(6/6-4/6)]=8*(1/4-2/6)=8*(1/4-1/3)=8*(3/12-4/12)

8*(-1/12)=-8/12= -2/3

4*[3/5-(1-2/3)]:4/5=4*[3/5-(3/3-2/3)]:4/5=4*(3/5-1/3):4/5

=4*(9/15-5/15):4/5=4*4/15:4/5=16/15:4/5=16/15*5/4=4/3

Explicație pas cu pas:

Answer 2

Sper sa intelegi succes :) :D