C
N
х3
х4
4 x
x 2 >x 4
7
5
a
8
16
2 xa
18
27
зха
4 xа

Răspuns:
1. 4x3=12
2x3=6
7x3=21
1x3=3
3x3=9
3x8=24
3x0=0
3x6=18
2. 18=3x6
21=3x7
12=3x4
9=3x3
30=10x3
24=8x3
3=1x3
15=5x3
0=0x3
6=2x3
27=8x3
21=7x3