Răspuns :
Răspuns:
(6x8): a =8
48: a =8
a=48:8
a=6
v:48:6=8
(9x2): a =3
18: a =3
a=18:3
a=6
v:18:6=3
(29-19): a =1
10: a =1
a=10:1
a=10
v:10:10=6
(11+19): a =6
30:a=6
a=30:6
a=5
v:30:5=6
(4x2x9): a =8
72: a =8
a=72:8
a=9
v:72:9=8
(3x2x8): a =6
48: a =6
a =48:6
a=8
v:48:8=6