Răspunsuri

2014-10-29T20:20:31+02:00
X+y=5 M1=1.2.3.4.5 M2=1.2.3 4.5 Exemplu : 3+2=5 Cred ca asa
2014-10-29T20:25:16+02:00
X+y=5
M={x,y ∈ N|x+y=5}⇒x∈{0,1,2,3,4,5}
y∈{0,1,2,3,4,5}
cardM=5