Question

(ii) (6-1 + 8-1)-1 + (2-1 + 3-1)-1​

Answer 1

Answer:

(6-1 + 8 - 1 ) - 1 + ( 2 - 1 + 3 - 1)

= (5 + 7 ) - 1 + ( 1 + 2 )

= 12 -1 + 3

= 14

Answer 2

Answer:

13

Step-by-step explanation:

( 6 - 1 + 8 - 1 ) - 1 + ( 2 - 1 + 3 - 1 ) - 1

= ( 5 + 7 ) - 1 + ( 1 + 2 ) - 1

= 12 - 1 + 3 - 1

= 11 + 2

= 13