а × 2b
3c × 4d
5e × 6f
7k × 8n
9x × 10y
**
2a × 3a
4b × 5b
6c × 7d
8k × 9n
***
11a² × 9a³
12b⁴ × 4b⁵
13c³ ×3c⁴
14k⁶ × 2k²
15n³ × 3n⁴
****
a × 2ab
2k × 5kn
4cd × 8d
5ab × 10b
6d × 7ad
*****
2a²b × 8a²b³
7ad⁴ × 6a³d²
9c⁴d × 5cd³
12k⁴n² × 3k²n⁶