Question

Số?

Answer 1

\(a,1+1=2\\ b,3+2=5\\ c,2+2=4\\ d,5+1=6\)

Answer 2

1/2

2/1

Answer 3

`1+1=2`

`2+2=4`

`3+2=5`

`5+1=6`

Answer 4

Answer 5