Question

1+1=
2+2=
2+1=
1+3=
Помагите!!!

Answer 1

1+1=2
2+2=4
2+1=3
1+3=4

Answer 2

1+=2

Answer 3

1+1=2

Answer 4

2+2=4

Answer 5

2+1=3

Answer 6

1+3=4

Answer 7

1+1=2
2+2=4
2+1=3
1+3=5