Question

With the numbers 3, 7 and 4, form arithmetic expressions using 

(i) Only addition and subtraction operations. 

(ii) Only multiplication and addition operations.

Answer 1

(i) 3 + 7 + 4, 

3 – 7 + 4, 

3 + 7 – 4, 

– 3 + 7 + 4, 

– 3 + 7 – 4, 

– 3 – 7 + 4, 

– 3 – 7 – 4. 

(ii) 3 × 7 + 4, 

3 × 7 × 4, 

3 + 7 × 4, 

3 + 4 × 7, 

3 × 4 + 7.