Question

A
1 - 4 - 3 - 6 - 7 - 2
B
9 - 7 - 5 - 3 - 2 - 1​

Answer 1

A) 1-4-3-6-7-2

= -3 -9 -9

= -12 -9

=-21

B) 9-7-5-3-2-1

= 2 -8 -3

= -6-3

=-9

Bons estudos!