Răspunsuri

2014-01-12T17:34:15+02:00
1+0-1+1x(0-1)+1 = 1x-1+1 = -1 + 1 = 0 :) asa cred .
2014-01-12T17:47:29+02:00
1+1x0-1+1[1x0-1]+11+1*0-1+1*(0-1)+1
1+1*0-1-1+1
=1+0-1-1+1
=0