Explicație pas cu pas:
2. a) 12-6=6
64-6=58
82-6=76
27-6=21
100-6=94
38-6=32
b) 72:6=12
24:6=4
12:6=2
0:6=0
96:6=16
78:6=13
c) 18+6=24
36+6=42
25+6=31
2+6=8
84+6=90
15+6=21
d) 66×6=396
25×6=150
12×6=72
7×6=42
104×6=624
61×6=366
3. 25×5+96:3-95:5=
125+32-19=
157-19=138
36+22:2+7×12=
36+11+84=
47+84=131
(36+42):3-3×5=
78:3-15=
26-15=11
1000-(125-80):9=
1000-45:9=
1000-5=995
(2+15)×(32-7)=
17×25=425
(80-14):(2+4)=
66:6=11
7. 6×4=24 copii în total
24:8=3 rânduri
Succes!