Question

hay viet moi so 6.12.20 thanh tich cua hai thua so lien nhau

 

 

Answer 1

6 = 2*3      12 = 3*4      20 = 4*5

Answer 2

6=2\(\times\)3

12=3\(\times\)4

20=4\(\times\)5

Answer 3

6=2 × 3

12=3 × 4

20=4 × 5