1.Wstaw znak<,> lub = .

2+1......................2+2

5+2......................3+4

7+1......................4+2

1+6......................1+7

2+4.......................3+3

4+4.......................1+7

2. Oblicz:

2+3=

2+6=

4+3=

4+4=

6-3=

5-2=

4-1=

7-4=

3-1=