6-1+9+7+8=

(a)  

5+9+1+8+7=

(a)  

2+3+7+8-1=

(a)  

9+9+9+9+9=

(a)  

2+3+4+9-3=

(a)  

5+8+2+9+6=

(a)  

7+8+8+2+9=

(a)  

1+4+8+2+9=

(a)  

6+1+4+5+8=

(a)  

7-2+8+2+9=

(a)  

1+4+8+2+7=

(a)  

6+9+9+1+8=

(a)  

1+4+9+1+8=

(a)  

6+4-2-4+1=

(a)  

8+4+6+1+2=

(a)  

9+2+6+4+6=

(a)  

7+4+7+1+4=

(a)  

8+1+2+8+4=

(a)  

8-6+7+1+2=

(a)  

6+6+6+6=

(a)  

8+6+2+6=

(a)  

6+7+7+7=

(a)  

8+6+9+9=

(a)  

5+7-5-5=

(a)  

9+9+6+4=

(a)  

8+6+8+7=

(a)  

5+7-8+3=

(a)  

8+6+9+8=

(a)  

5+6+8+8=

(a)  

8+7+7+7=

(a)  

5+7-9+5=

(a)  

6+6-8+1=

(a)  

7+7+1-9=

(a)  

5+6-9-1=

(a)  

7+6+7+2=

(a)  

7+6-4+3=

(a)  

7+7-5-1=

(a)  

8+7+6+5=

(a)  

6+3+6+6=

(a)  

4+4+6-4=

(a)  

9+6+6+4=

(a)  

7+7-3-7=

(a)  

2+8-5+7=

(a)  

2+3+7-2-2=

(a)  

6+6+3+7-5=

(a)  

7+6+3+6+3=

(a)  

5+6+7+6+5=

(a)  

1+6+6+7-3=

(a)  

2+5+7+6+1=

(a)  

7+3+6+6-4=

(a)  

2+3+6+4+6=

(a)  

6+7+2+7+3=

(a)  

5+6+4+7-2=

(a)  

6+6-8+6+2=

(a)  

6+7-3+5+7=

(a)  

2+2+1+7-3=

(a)  

3+2+6+6+7=

(a)  

1+2+3+7+6=

(a)  

7+7+2+6-3=

(a)  

2+3+6-4+7=

(a)