Răspunsuri

2014-03-06T22:11:07+02:00
(900+20+4):2 =450+10+2=462 (402+51):3=134+17=151
2014-03-06T23:36:21+02:00


a) ( 900 + 20 + 4 ) : 2 = 900 : 2 + 20 : 2 + 4 : 2 = 450 + 10 + 2

b) ( 450 + 3 ) : 3 = 450 : 3 + 3 : 3 = 150 + 1