1/7 + 1 × 7 = 1

(a)  

4 - 1 - 4/3 - 1 - 1/7 - 7

(a)  

2/4 - 2/6 - 1 - 1/6 - 3/5 - 1/4 - 1

(a)  

7 + 1 × 1/7 + 4/3 ÷ 3/5 × 1/7÷ 7

(a)  

1/7 -1 - 2/6 - 1- 2/7 - 3/5 - 2 - 5 - 2/7

(a)  

1 × 1/7 × 7 ÷ 4/1 × 1 + 2/6 - 5 × 3/6 × 1

(a)  

1

(a)  

1/2

(a)  

2/6

(a)  

2/4

(a)  

4/6

(a)  

5/6

(a)  

7

(a)  

3/4

(a)  

1

(a)  

2

(a)  

3

(a)  

4

(a)  

5

(a)  

6

(a)  

7

(a)  

1/2

(a)  

1/3

(a)  

4/6

(a)  

1/4

(a)  

1/5

(a)  

1/6

(a)  

1/7

(a)  

2/3

(a)  

2/4

(a)  

2/3

(a)  

2/6

(a)  

2/7

(a)  

3/4

(a)  

3/5

(a)  

4/7

(a)  

5/6

(a)  

5/7

(a)  

3/6

(a)  

6/7

(a)  

1/4 - 5 - 1/6 - 2 -1 - 1/5 -1/3

(a)  

4 × 1 ÷ 3/4 - 1 ÷ 1/7 × 7

(a)  

4/6 × 1÷ 5/6 ÷ 1 + 2 ÷ 1 × 1/7

(a)  

3 ÷5 × 1/5 ÷1× 1/7-1

(a)  

2 ÷ 1 × 1/2 ÷ 1÷ 7 × 1/3 + 1

(a)  

1/6 ÷ 1 ÷4 × 2/6 × 1 × 2/7 + 1 ÷ 1/2

(a)