Răspuns :
a) 1279+3496=8063-4196
4775 = 3867 F
b) 7003-2896=1987+2693
4107=4680 F
c)(3289+1926)+3878= 3289+(1926+3878)
5215+3878=3289+5804
9093=9093 A
4775 = 3867 F
b) 7003-2896=1987+2693
4107=4680 F
c)(3289+1926)+3878= 3289+(1926+3878)
5215+3878=3289+5804
9093=9093 A