2. 4/4=1

3. (4/4)+(4/4)=2

4. 4-1=3

5. 4*1=4

6. 4+1=5

7. (4x3)-(6)=6

8. (4+10)-(7)=7

9. 12-4=8

10. (4*3)-3=9

11. (4+4)+2=10