Răspuns:
2+[5+2x(15-36:cx2:4)]x2=20
[5+2x(15-36:cx2:4)]X2=20-2
[5+2x(15-36:cx2:4)]X2=18
[5+2x(15-36:cx2:4)]=18:2
5+2x(15-36:cx2:4)=9
2x(15-36:cx2:4)=9-5
2x(15-36:cx2:4)=4
(15-36:cx2:4)=4:2
15-36:cx2:4=2
36:cx2:4=15-2
36:cx2:4=13
36:cx2=13x4
36:cx2=52
36:c=
Explicație pas cu pas:
sigur este corect exercițiu?