Question

Poti face expresiile de mai jos adevarate,punand in casute sume ale operatiilor anvatate?Ai voie sa folosesti si oaranteze rotunde,daca e necesar. 2□2□2□2=2 ;2□2□2□2=3;2□2□2□2=4

Answer 1

(2x2)-(2:2)=4-1=3
(2x2)x2:2=4x2:2=8:2=4
2x(2-2)+2=2x0+2=0+2=2