Question

i) (2-1 - 3-1)-1 + (6-1 - 8-1)-1​

Answer 1

Answer:

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

=(2-5) -1 +(6-10)-1

=(-3) -1 +(-4)-1

= 3 +4

=7

Therefore ,the answer is 7.

Answer 2

Answer:

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

Step-by-step explanation:

=(2-5)-1+(6-10)-1

=-(3-1-4-1)

=(-9)