Răspuns :
a).nr. sunt :
11,21,22,31,32,33
b).30,60,63,90,93,96,
c).36,66,69,96,99,102
11,21,22,31,32,33
b).30,60,63,90,93,96,
c).36,66,69,96,99,102
a)33:3=11
63:3=21
66:3=22
93:3=31
96:3=32
99:3=33
b) 33-3=30
63-3=60
66-3=63
93-3=90
96-3=93
99-3=96
c) 33+3=36
63+3=66
66+3=69
93+3=96
96+3=99
99+3=102
63:3=21
66:3=22
93:3=31
96:3=32
99:3=33
b) 33-3=30
63-3=60
66-3=63
93-3=90
96-3=93
99-3=96
c) 33+3=36
63+3=66
66+3=69
93+3=96
96+3=99
99+3=102