Question

calculeaza prin scaderea repetata a aceluiasi numar cate cutii sunt necesare pentru a ambala cele 18 globulete...a)cate doua globulete;b)cate 3 globulete;c)cate 6 globulete.

Answer 1

pt 2 globuri  : 18 - 2 - 2 - 2- 2- 2 - 2 - 2 -2 -2 = 0
                       18 : 2 = 9 cutii
pt. 3 globuri  : 18 - 3 - 3 - 3 -3 - 3- 3 = 0
                         18 : 3 = 6 cutii
pt. 6 globuri :  18 - 6 - 6- 6 = 0
                         18 : 6 = 3 cutii

Answer 2

18-2=16-2=14-2=12-2=10-2=8-2=6-2=4-2=2-2=0
18-3=15-3=72-3=9-3=6-3=3-3=0
18-6=12-6=6-6=0
succes