Question

22 x 18 can also be expressed as
(i) (20+2) (20-2)
(ii) (20 x 18) + (2 x 18)
(iii) (20)2 —(2)?
(iv) 2 x 11 x 9
Select the correct answer using the codes given below.
(A) (i), (ii) and (iii) (B) (ii), (iii) and (iv)
(C) (i), (iii) and (iv) (D) (i), (ii) and (iv)​

Answer 1

Answer:

(20+2)(20-2)

Step-by-step explanation:

(20+2=22)(20-2=18)

Answer 2

1 )(20+2)(20-2) and 2 (20×18)+(2×18)

3 and 4 are incorrect

3)=40-2

4)=22×9=198